Home / 131,337.78-196,690.83-75,007.17

Finding the Fourth Proportional to 131,337.78, 196,690.83 and 75,007.17

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Solution

The fourth proportional to 131,337.78, 196,690.83 and 75,007.17 is: 112,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,337.78 : 196,690.83 = 75,007.17 : x
  2. Step 2: Convert to fraction form
    131,337.78/196,690.83 = 75,007.17/x
  3. Step 3: Cross multiply
    131,337.78x = 196,690.83 × 75,007.17
  4. Step 4: Simplify right side
    131,337.78x = 14,753,222,523.25
  5. Step 5: Solve for x
    x = 14,753,222,523.25/131,337.78
  6. Step 6: Final answer
    x = 112,330.38

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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.