Home / 238,741.52-329,472.36-131,316.56

Finding the Fourth Proportional to 238,741.52, 329,472.36 and 131,316.56

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Solution

The fourth proportional to 238,741.52, 329,472.36 and 131,316.56 is: 181,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,741.52 : 329,472.36 = 131,316.56 : x
  2. Step 2: Convert to fraction form
    238,741.52/329,472.36 = 131,316.56/x
  3. Step 3: Cross multiply
    238,741.52x = 329,472.36 × 131,316.56
  4. Step 4: Simplify right side
    238,741.52x = 43,265,176,930.28
  5. Step 5: Solve for x
    x = 43,265,176,930.28/238,741.52
  6. Step 6: Final answer
    x = 181,221.84

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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.