Home / 132,289.34-182,560.65-71,861.18

Finding the Fourth Proportional to 132,289.34, 182,560.65 and 71,861.18

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Solution

The fourth proportional to 132,289.34, 182,560.65 and 71,861.18 is: 99,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,289.34 : 182,560.65 = 71,861.18 : x
  2. Step 2: Convert to fraction form
    132,289.34/182,560.65 = 71,861.18/x
  3. Step 3: Cross multiply
    132,289.34x = 182,560.65 × 71,861.18
  4. Step 4: Simplify right side
    132,289.34x = 13,119,023,730.57
  5. Step 5: Solve for x
    x = 13,119,023,730.57/132,289.34
  6. Step 6: Final answer
    x = 99,169.17

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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.