Home / 132,805.90-183,127.43-89,710.58

Finding the Fourth Proportional to 132,805.90, 183,127.43 and 89,710.58

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Solution

The fourth proportional to 132,805.90, 183,127.43 and 89,710.58 is: 123,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805.90 : 183,127.43 = 89,710.58 : x
  2. Step 2: Convert to fraction form
    132,805.90/183,127.43 = 89,710.58/x
  3. Step 3: Cross multiply
    132,805.90x = 183,127.43 × 89,710.58
  4. Step 4: Simplify right side
    132,805.90x = 16,428,468,641.30
  5. Step 5: Solve for x
    x = 16,428,468,641.30/132,805.90
  6. Step 6: Final answer
    x = 123,702.85

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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.