Home / 145,844.80-218,767.20-136,003.30

Finding the Fourth Proportional to 145,844.80, 218,767.20 and 136,003.30

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Solution

The fourth proportional to 145,844.80, 218,767.20 and 136,003.30 is: 204,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,844.80 : 218,767.20 = 136,003.30 : x
  2. Step 2: Convert to fraction form
    145,844.80/218,767.20 = 136,003.30/x
  3. Step 3: Cross multiply
    145,844.80x = 218,767.20 × 136,003.30
  4. Step 4: Simplify right side
    145,844.80x = 29,753,061,131.76
  5. Step 5: Solve for x
    x = 29,753,061,131.76/145,844.80
  6. Step 6: Final answer
    x = 204,004.95

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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.