Home / 132,697.62-182,909.28-89,663.67

Finding the Fourth Proportional to 132,697.62, 182,909.28 and 89,663.67

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Solution

The fourth proportional to 132,697.62, 182,909.28 and 89,663.67 is: 123,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,697.62 : 182,909.28 = 89,663.67 : x
  2. Step 2: Convert to fraction form
    132,697.62/182,909.28 = 89,663.67/x
  3. Step 3: Cross multiply
    132,697.62x = 182,909.28 × 89,663.67
  4. Step 4: Simplify right side
    132,697.62x = 16,400,317,321.86
  5. Step 5: Solve for x
    x = 16,400,317,321.86/132,697.62
  6. Step 6: Final answer
    x = 123,591.65

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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.