Home / 124,947.30-187,464.15-120,627.30

Finding the Fourth Proportional to 124,947.30, 187,464.15 and 120,627.30

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Solution

The fourth proportional to 124,947.30, 187,464.15 and 120,627.30 is: 180,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.30 : 187,464.15 = 120,627.30 : x
  2. Step 2: Convert to fraction form
    124,947.30/187,464.15 = 120,627.30/x
  3. Step 3: Cross multiply
    124,947.30x = 187,464.15 × 120,627.30
  4. Step 4: Simplify right side
    124,947.30x = 22,613,294,261.30
  5. Step 5: Solve for x
    x = 22,613,294,261.30/124,947.30
  6. Step 6: Final answer
    x = 180,982.66

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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.