Home / 134,680.43-185,860.29-74,253.42

Finding the Fourth Proportional to 134,680.43, 185,860.29 and 74,253.42

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Solution

The fourth proportional to 134,680.43, 185,860.29 and 74,253.42 is: 102,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.43 : 185,860.29 = 74,253.42 : x
  2. Step 2: Convert to fraction form
    134,680.43/185,860.29 = 74,253.42/x
  3. Step 3: Cross multiply
    134,680.43x = 185,860.29 × 74,253.42
  4. Step 4: Simplify right side
    134,680.43x = 13,800,762,174.69
  5. Step 5: Solve for x
    x = 13,800,762,174.69/134,680.43
  6. Step 6: Final answer
    x = 102,470.43

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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.