Home / 131,976.38-182,084.59-74,610.16

Finding the Fourth Proportional to 131,976.38, 182,084.59 and 74,610.16

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Solution

The fourth proportional to 131,976.38, 182,084.59 and 74,610.16 is: 102,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,976.38 : 182,084.59 = 74,610.16 : x
  2. Step 2: Convert to fraction form
    131,976.38/182,084.59 = 74,610.16/x
  3. Step 3: Cross multiply
    131,976.38x = 182,084.59 × 74,610.16
  4. Step 4: Simplify right side
    131,976.38x = 13,585,360,031.49
  5. Step 5: Solve for x
    x = 13,585,360,031.49/131,976.38
  6. Step 6: Final answer
    x = 102,937.81

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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.