Home / 124,159.20-171,331.92-73,848.48

Finding the Fourth Proportional to 124,159.20, 171,331.92 and 73,848.48

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Solution

The fourth proportional to 124,159.20, 171,331.92 and 73,848.48 is: 101,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,159.20 : 171,331.92 = 73,848.48 : x
  2. Step 2: Convert to fraction form
    124,159.20/171,331.92 = 73,848.48/x
  3. Step 3: Cross multiply
    124,159.20x = 171,331.92 × 73,848.48
  4. Step 4: Simplify right side
    124,159.20x = 12,652,601,867.48
  5. Step 5: Solve for x
    x = 12,652,601,867.48/124,159.20
  6. Step 6: Final answer
    x = 101,906.28

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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.