Home / 132,279.73-182,557.31-74,929.28

Finding the Fourth Proportional to 132,279.73, 182,557.31 and 74,929.28

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Solution

The fourth proportional to 132,279.73, 182,557.31 and 74,929.28 is: 103,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.73 : 182,557.31 = 74,929.28 : x
  2. Step 2: Convert to fraction form
    132,279.73/182,557.31 = 74,929.28/x
  3. Step 3: Cross multiply
    132,279.73x = 182,557.31 × 74,929.28
  4. Step 4: Simplify right side
    132,279.73x = 13,678,887,797.04
  5. Step 5: Solve for x
    x = 13,678,887,797.04/132,279.73
  6. Step 6: Final answer
    x = 103,408.80

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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.