Home / 131,366.88-197,068.14-42,591.42

Finding the Fourth Proportional to 131,366.88, 197,068.14 and 42,591.42

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Solution

The fourth proportional to 131,366.88, 197,068.14 and 42,591.42 is: 63,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,366.88 : 197,068.14 = 42,591.42 : x
  2. Step 2: Convert to fraction form
    131,366.88/197,068.14 = 42,591.42/x
  3. Step 3: Cross multiply
    131,366.88x = 197,068.14 × 42,591.42
  4. Step 4: Simplify right side
    131,366.88x = 8,393,411,919.36
  5. Step 5: Solve for x
    x = 8,393,411,919.36/131,366.88
  6. Step 6: Final answer
    x = 63,892.91

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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.