Home / 132,289.92-182,562.08-71,861.76

Finding the Fourth Proportional to 132,289.92, 182,562.08 and 71,861.76

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Solution

The fourth proportional to 132,289.92, 182,562.08 and 71,861.76 is: 99,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,289.92 : 182,562.08 = 71,861.76 : x
  2. Step 2: Convert to fraction form
    132,289.92/182,562.08 = 71,861.76/x
  3. Step 3: Cross multiply
    132,289.92x = 182,562.08 × 71,861.76
  4. Step 4: Simplify right side
    132,289.92x = 13,119,232,378.06
  5. Step 5: Solve for x
    x = 13,119,232,378.06/132,289.92
  6. Step 6: Final answer
    x = 99,170.31

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1.5x scale

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.