Home / 175,983.79-242,856.17-99,517.90

Finding the Fourth Proportional to 175,983.79, 242,856.17 and 99,517.90

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Solution

The fourth proportional to 175,983.79, 242,856.17 and 99,517.90 is: 137,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,983.79 : 242,856.17 = 99,517.90 : x
  2. Step 2: Convert to fraction form
    175,983.79/242,856.17 = 99,517.90/x
  3. Step 3: Cross multiply
    175,983.79x = 242,856.17 × 99,517.90
  4. Step 4: Simplify right side
    175,983.79x = 24,168,536,033.02
  5. Step 5: Solve for x
    x = 24,168,536,033.02/175,983.79
  6. Step 6: Final answer
    x = 137,333.88

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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.