Home / 175,780.64-242,592.20-99,313.78

Finding the Fourth Proportional to 175,780.64, 242,592.20 and 99,313.78

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Solution

The fourth proportional to 175,780.64, 242,592.20 and 99,313.78 is: 137,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,780.64 : 242,592.20 = 99,313.78 : x
  2. Step 2: Convert to fraction form
    175,780.64/242,592.20 = 99,313.78/x
  3. Step 3: Cross multiply
    175,780.64x = 242,592.20 × 99,313.78
  4. Step 4: Simplify right side
    175,780.64x = 24,092,748,380.52
  5. Step 5: Solve for x
    x = 24,092,748,380.52/175,780.64
  6. Step 6: Final answer
    x = 137,061.44

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1.5x scale

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.