Home / 157,167.97-235,749.65-38,839.31

Finding the Fourth Proportional to 157,167.97, 235,749.65 and 38,839.31

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Solution

The fourth proportional to 157,167.97, 235,749.65 and 38,839.31 is: 58,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,167.97 : 235,749.65 = 38,839.31 : x
  2. Step 2: Convert to fraction form
    157,167.97/235,749.65 = 38,839.31/x
  3. Step 3: Cross multiply
    157,167.97x = 235,749.65 × 38,839.31
  4. Step 4: Simplify right side
    157,167.97x = 9,156,352,365.80
  5. Step 5: Solve for x
    x = 9,156,352,365.80/157,167.97
  6. Step 6: Final answer
    x = 58,258.39

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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.