Home / 525,525.46-788,288.20-126,166.24

Finding the Fourth Proportional to 525,525.46, 788,288.20 and 126,166.24

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Solution

The fourth proportional to 525,525.46, 788,288.20 and 126,166.24 is: 189,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,525.46 : 788,288.20 = 126,166.24 : x
  2. Step 2: Convert to fraction form
    525,525.46/788,288.20 = 126,166.24/x
  3. Step 3: Cross multiply
    525,525.46x = 788,288.20 × 126,166.24
  4. Step 4: Simplify right side
    525,525.46x = 99,455,358,230.37
  5. Step 5: Solve for x
    x = 99,455,358,230.37/525,525.46
  6. Step 6: Final answer
    x = 189,249.36

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Half scale
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Double scale
Find fourth proportional to 525,526.46, 788,289.70 and 126,167.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.