Home / 238,663.42-329,273.56-147,986.74

Finding the Fourth Proportional to 238,663.42, 329,273.56 and 147,986.74

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Solution

The fourth proportional to 238,663.42, 329,273.56 and 147,986.74 is: 204,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,663.42 : 329,273.56 = 147,986.74 : x
  2. Step 2: Convert to fraction form
    238,663.42/329,273.56 = 147,986.74/x
  3. Step 3: Cross multiply
    238,663.42x = 329,273.56 × 147,986.74
  4. Step 4: Simplify right side
    238,663.42x = 48,728,120,712.59
  5. Step 5: Solve for x
    x = 48,728,120,712.59/238,663.42
  6. Step 6: Final answer
    x = 204,170.88

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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.