Home / 238,177.28-356,801.52-132,678.56

Finding the Fourth Proportional to 238,177.28, 356,801.52 and 132,678.56

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Solution

The fourth proportional to 238,177.28, 356,801.52 and 132,678.56 is: 198,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,177.28 : 356,801.52 = 132,678.56 : x
  2. Step 2: Convert to fraction form
    238,177.28/356,801.52 = 132,678.56/x
  3. Step 3: Cross multiply
    238,177.28x = 356,801.52 × 132,678.56
  4. Step 4: Simplify right side
    238,177.28x = 47,339,911,879.41
  5. Step 5: Solve for x
    x = 47,339,911,879.41/238,177.28
  6. Step 6: Final answer
    x = 198,759.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.