Home / 234,235.18-323,245.58-126,805.20

Finding the Fourth Proportional to 234,235.18, 323,245.58 and 126,805.20

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Solution

The fourth proportional to 234,235.18, 323,245.58 and 126,805.20 is: 174,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235.18 : 323,245.58 = 126,805.20 : x
  2. Step 2: Convert to fraction form
    234,235.18/323,245.58 = 126,805.20/x
  3. Step 3: Cross multiply
    234,235.18x = 323,245.58 × 126,805.20
  4. Step 4: Simplify right side
    234,235.18x = 40,989,220,421.02
  5. Step 5: Solve for x
    x = 40,989,220,421.02/234,235.18
  6. Step 6: Final answer
    x = 174,991.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.