Home / 156,318.80-215,723.95-95,922.81

Finding the Fourth Proportional to 156,318.80, 215,723.95 and 95,922.81

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Solution

The fourth proportional to 156,318.80, 215,723.95 and 95,922.81 is: 132,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,318.80 : 215,723.95 = 95,922.81 : x
  2. Step 2: Convert to fraction form
    156,318.80/215,723.95 = 95,922.81/x
  3. Step 3: Cross multiply
    156,318.80x = 215,723.95 × 95,922.81
  4. Step 4: Simplify right side
    156,318.80x = 20,692,847,228.49
  5. Step 5: Solve for x
    x = 20,692,847,228.49/156,318.80
  6. Step 6: Final answer
    x = 132,375.94

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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.