Home / 82,177.84-123,560.19-75,682.45

Finding the Fourth Proportional to 82,177.84, 123,560.19 and 75,682.45

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Solution

The fourth proportional to 82,177.84, 123,560.19 and 75,682.45 is: 113,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177.84 : 123,560.19 = 75,682.45 : x
  2. Step 2: Convert to fraction form
    82,177.84/123,560.19 = 75,682.45/x
  3. Step 3: Cross multiply
    82,177.84x = 123,560.19 × 75,682.45
  4. Step 4: Simplify right side
    82,177.84x = 9,351,337,901.67
  5. Step 5: Solve for x
    x = 9,351,337,901.67/82,177.84
  6. Step 6: Final answer
    x = 113,793.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.