Home / 124,110.20-186,165.30-91,062.20

Finding the Fourth Proportional to 124,110.20, 186,165.30 and 91,062.20

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Solution

The fourth proportional to 124,110.20, 186,165.30 and 91,062.20 is: 136,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,110.20 : 186,165.30 = 91,062.20 : x
  2. Step 2: Convert to fraction form
    124,110.20/186,165.30 = 91,062.20/x
  3. Step 3: Cross multiply
    124,110.20x = 186,165.30 × 91,062.20
  4. Step 4: Simplify right side
    124,110.20x = 16,952,621,781.66
  5. Step 5: Solve for x
    x = 16,952,621,781.66/124,110.20
  6. Step 6: Final answer
    x = 136,593.30

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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.