Home / 132,327.92-182,688.56-87,137.24

Finding the Fourth Proportional to 132,327.92, 182,688.56 and 87,137.24

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Solution

The fourth proportional to 132,327.92, 182,688.56 and 87,137.24 is: 120,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,327.92 : 182,688.56 = 87,137.24 : x
  2. Step 2: Convert to fraction form
    132,327.92/182,688.56 = 87,137.24/x
  3. Step 3: Cross multiply
    132,327.92x = 182,688.56 × 87,137.24
  4. Step 4: Simplify right side
    132,327.92x = 15,918,976,897.97
  5. Step 5: Solve for x
    x = 15,918,976,897.97/132,327.92
  6. Step 6: Final answer
    x = 120,299.46

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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.