Home / 525,521.34-788,282.01-126,162.11

Finding the Fourth Proportional to 525,521.34, 788,282.01 and 126,162.11

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Solution

The fourth proportional to 525,521.34, 788,282.01 and 126,162.11 is: 189,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,521.34 : 788,282.01 = 126,162.11 : x
  2. Step 2: Convert to fraction form
    525,521.34/788,282.01 = 126,162.11/x
  3. Step 3: Cross multiply
    525,521.34x = 788,282.01 × 126,162.11
  4. Step 4: Simplify right side
    525,521.34x = 99,451,323,627.35
  5. Step 5: Solve for x
    x = 99,451,323,627.35/525,521.34
  6. Step 6: Final answer
    x = 189,243.17

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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.