Home / 157,168.97-235,751.14-38,840.31

Finding the Fourth Proportional to 157,168.97, 235,751.14 and 38,840.31

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Solution

The fourth proportional to 157,168.97, 235,751.14 and 38,840.31 is: 58,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168.97 : 235,751.14 = 38,840.31 : x
  2. Step 2: Convert to fraction form
    157,168.97/235,751.14 = 38,840.31/x
  3. Step 3: Cross multiply
    157,168.97x = 235,751.14 × 38,840.31
  4. Step 4: Simplify right side
    157,168.97x = 9,156,647,360.45
  5. Step 5: Solve for x
    x = 9,156,647,360.45/157,168.97
  6. Step 6: Final answer
    x = 58,259.89

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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.