Home / 354,066.16-531,151.98-126,344.02

Finding the Fourth Proportional to 354,066.16, 531,151.98 and 126,344.02

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Solution

The fourth proportional to 354,066.16, 531,151.98 and 126,344.02 is: 189,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,066.16 : 531,151.98 = 126,344.02 : x
  2. Step 2: Convert to fraction form
    354,066.16/531,151.98 = 126,344.02/x
  3. Step 3: Cross multiply
    354,066.16x = 531,151.98 × 126,344.02
  4. Step 4: Simplify right side
    354,066.16x = 67,107,876,384.16
  5. Step 5: Solve for x
    x = 67,107,876,384.16/354,066.16
  6. Step 6: Final answer
    x = 189,534.85

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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.