Home / 132,490.26-182,837.88-72,062.31

Finding the Fourth Proportional to 132,490.26, 182,837.88 and 72,062.31

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Solution

The fourth proportional to 132,490.26, 182,837.88 and 72,062.31 is: 99,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,490.26 : 182,837.88 = 72,062.31 : x
  2. Step 2: Convert to fraction form
    132,490.26/182,837.88 = 72,062.31/x
  3. Step 3: Cross multiply
    132,490.26x = 182,837.88 × 72,062.31
  4. Step 4: Simplify right side
    132,490.26x = 13,175,719,988.30
  5. Step 5: Solve for x
    x = 13,175,719,988.30/132,490.26
  6. Step 6: Final answer
    x = 99,446.71

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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.