Home / 238,618.88-329,294.27-131,190.74

Finding the Fourth Proportional to 238,618.88, 329,294.27 and 131,190.74

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Solution

The fourth proportional to 238,618.88, 329,294.27 and 131,190.74 is: 181,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,618.88 : 329,294.27 = 131,190.74 : x
  2. Step 2: Convert to fraction form
    238,618.88/329,294.27 = 131,190.74/x
  3. Step 3: Cross multiply
    238,618.88x = 329,294.27 × 131,190.74
  4. Step 4: Simplify right side
    238,618.88x = 43,200,358,959.06
  5. Step 5: Solve for x
    x = 43,200,358,959.06/238,618.88
  6. Step 6: Final answer
    x = 181,043.34

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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.