Home / 238,610.49-329,280.84-131,177.76

Finding the Fourth Proportional to 238,610.49, 329,280.84 and 131,177.76

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Solution

The fourth proportional to 238,610.49, 329,280.84 and 131,177.76 is: 181,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,610.49 : 329,280.84 = 131,177.76 : x
  2. Step 2: Convert to fraction form
    238,610.49/329,280.84 = 131,177.76/x
  3. Step 3: Cross multiply
    238,610.49x = 329,280.84 × 131,177.76
  4. Step 4: Simplify right side
    238,610.49x = 43,194,323,002.12
  5. Step 5: Solve for x
    x = 43,194,323,002.12/238,610.49
  6. Step 6: Final answer
    x = 181,024.41

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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.