Home / 181,398.28-272,100.18-69,084.71

Finding the Fourth Proportional to 181,398.28, 272,100.18 and 69,084.71

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Solution

The fourth proportional to 181,398.28, 272,100.18 and 69,084.71 is: 103,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,398.28 : 272,100.18 = 69,084.71 : x
  2. Step 2: Convert to fraction form
    181,398.28/272,100.18 = 69,084.71/x
  3. Step 3: Cross multiply
    181,398.28x = 272,100.18 × 69,084.71
  4. Step 4: Simplify right side
    181,398.28x = 18,797,962,447.43
  5. Step 5: Solve for x
    x = 18,797,962,447.43/181,398.28
  6. Step 6: Final answer
    x = 103,628.12

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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.