Home / 238,553.32-329,196.90-131,123.56

Finding the Fourth Proportional to 238,553.32, 329,196.90 and 131,123.56

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Solution

The fourth proportional to 238,553.32, 329,196.90 and 131,123.56 is: 180,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,553.32 : 329,196.90 = 131,123.56 : x
  2. Step 2: Convert to fraction form
    238,553.32/329,196.90 = 131,123.56/x
  3. Step 3: Cross multiply
    238,553.32x = 329,196.90 × 131,123.56
  4. Step 4: Simplify right side
    238,553.32x = 43,165,469,468.96
  5. Step 5: Solve for x
    x = 43,165,469,468.96/238,553.32
  6. Step 6: Final answer
    x = 180,946.84

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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.