Home / 132,459.30-182,762.73-89,517.56

Finding the Fourth Proportional to 132,459.30, 182,762.73 and 89,517.56

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Solution

The fourth proportional to 132,459.30, 182,762.73 and 89,517.56 is: 123,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,459.30 : 182,762.73 = 89,517.56 : x
  2. Step 2: Convert to fraction form
    132,459.30/182,762.73 = 89,517.56/x
  3. Step 3: Cross multiply
    132,459.30x = 182,762.73 × 89,517.56
  4. Step 4: Simplify right side
    132,459.30x = 16,360,472,734.73
  5. Step 5: Solve for x
    x = 16,360,472,734.73/132,459.30
  6. Step 6: Final answer
    x = 123,513.21

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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.