Home / 132,437.16-182,759.28-75,081.78

Finding the Fourth Proportional to 132,437.16, 182,759.28 and 75,081.78

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Solution

The fourth proportional to 132,437.16, 182,759.28 and 75,081.78 is: 103,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,437.16 : 182,759.28 = 75,081.78 : x
  2. Step 2: Convert to fraction form
    132,437.16/182,759.28 = 75,081.78/x
  3. Step 3: Cross multiply
    132,437.16x = 182,759.28 × 75,081.78
  4. Step 4: Simplify right side
    132,437.16x = 13,721,892,053.92
  5. Step 5: Solve for x
    x = 13,721,892,053.92/132,437.16
  6. Step 6: Final answer
    x = 103,610.59

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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.