Home / 131,372.72-197,087.82-42,635.14

Finding the Fourth Proportional to 131,372.72, 197,087.82 and 42,635.14

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Solution

The fourth proportional to 131,372.72, 197,087.82 and 42,635.14 is: 63,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,372.72 : 197,087.82 = 42,635.14 : x
  2. Step 2: Convert to fraction form
    131,372.72/197,087.82 = 42,635.14/x
  3. Step 3: Cross multiply
    131,372.72x = 197,087.82 × 42,635.14
  4. Step 4: Simplify right side
    131,372.72x = 8,402,866,797.99
  5. Step 5: Solve for x
    x = 8,402,866,797.99/131,372.72
  6. Step 6: Final answer
    x = 63,962.04

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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.