Home / 156,217.61-215,581.10-84,597.92

Finding the Fourth Proportional to 156,217.61, 215,581.10 and 84,597.92

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Solution

The fourth proportional to 156,217.61, 215,581.10 and 84,597.92 is: 116,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,217.61 : 215,581.10 = 84,597.92 : x
  2. Step 2: Convert to fraction form
    156,217.61/215,581.10 = 84,597.92/x
  3. Step 3: Cross multiply
    156,217.61x = 215,581.10 × 84,597.92
  4. Step 4: Simplify right side
    156,217.61x = 18,237,711,958.85
  5. Step 5: Solve for x
    x = 18,237,711,958.85/156,217.61
  6. Step 6: Final answer
    x = 116,745.56

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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.