Home / 124,548.22-186,921.96-65,418.76

Finding the Fourth Proportional to 124,548.22, 186,921.96 and 65,418.76

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Solution

The fourth proportional to 124,548.22, 186,921.96 and 65,418.76 is: 98,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.22 : 186,921.96 = 65,418.76 : x
  2. Step 2: Convert to fraction form
    124,548.22/186,921.96 = 65,418.76/x
  3. Step 3: Cross multiply
    124,548.22x = 186,921.96 × 65,418.76
  4. Step 4: Simplify right side
    124,548.22x = 12,228,202,839.97
  5. Step 5: Solve for x
    x = 12,228,202,839.97/124,548.22
  6. Step 6: Final answer
    x = 98,180.47

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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.