Home / 134,565.94-185,700.04-74,135.17

Finding the Fourth Proportional to 134,565.94, 185,700.04 and 74,135.17

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Solution

The fourth proportional to 134,565.94, 185,700.04 and 74,135.17 is: 102,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,565.94 : 185,700.04 = 74,135.17 : x
  2. Step 2: Convert to fraction form
    134,565.94/185,700.04 = 74,135.17/x
  3. Step 3: Cross multiply
    134,565.94x = 185,700.04 × 74,135.17
  4. Step 4: Simplify right side
    134,565.94x = 13,766,904,034.41
  5. Step 5: Solve for x
    x = 13,766,904,034.41/134,565.94
  6. Step 6: Final answer
    x = 102,306.01

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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.