Home / 142,711.43-196,712.24-96,756.17

Finding the Fourth Proportional to 142,711.43, 196,712.24 and 96,756.17

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Solution

The fourth proportional to 142,711.43, 196,712.24 and 96,756.17 is: 133,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,711.43 : 196,712.24 = 96,756.17 : x
  2. Step 2: Convert to fraction form
    142,711.43/196,712.24 = 96,756.17/x
  3. Step 3: Cross multiply
    142,711.43x = 196,712.24 × 96,756.17
  4. Step 4: Simplify right side
    142,711.43x = 19,033,122,942.52
  5. Step 5: Solve for x
    x = 19,033,122,942.52/142,711.43
  6. Step 6: Final answer
    x = 133,367.90

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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.