Home / 134,614.05-185,766.53-74,185.17

Finding the Fourth Proportional to 134,614.05, 185,766.53 and 74,185.17

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Solution

The fourth proportional to 134,614.05, 185,766.53 and 74,185.17 is: 102,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,614.05 : 185,766.53 = 74,185.17 : x
  2. Step 2: Convert to fraction form
    134,614.05/185,766.53 = 74,185.17/x
  3. Step 3: Cross multiply
    134,614.05x = 185,766.53 × 74,185.17
  4. Step 4: Simplify right side
    134,614.05x = 13,781,121,237.43
  5. Step 5: Solve for x
    x = 13,781,121,237.43/134,614.05
  6. Step 6: Final answer
    x = 102,375.06

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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.