Home / 175,439.45-242,088.27-129,523.52

Finding the Fourth Proportional to 175,439.45, 242,088.27 and 129,523.52

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Solution

The fourth proportional to 175,439.45, 242,088.27 and 129,523.52 is: 178,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,439.45 : 242,088.27 = 129,523.52 : x
  2. Step 2: Convert to fraction form
    175,439.45/242,088.27 = 129,523.52/x
  3. Step 3: Cross multiply
    175,439.45x = 242,088.27 × 129,523.52
  4. Step 4: Simplify right side
    175,439.45x = 31,356,123,670.67
  5. Step 5: Solve for x
    x = 31,356,123,670.67/175,439.45
  6. Step 6: Final answer
    x = 178,729.04

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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.