Home / 281,844.20-389,149.10-181,417.16

Finding the Fourth Proportional to 281,844.20, 389,149.10 and 181,417.16

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Solution

The fourth proportional to 281,844.20, 389,149.10 and 181,417.16 is: 250,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,844.20 : 389,149.10 = 181,417.16 : x
  2. Step 2: Convert to fraction form
    281,844.20/389,149.10 = 181,417.16/x
  3. Step 3: Cross multiply
    281,844.20x = 389,149.10 × 181,417.16
  4. Step 4: Simplify right side
    281,844.20x = 70,598,321,685.72
  5. Step 5: Solve for x
    x = 70,598,321,685.72/281,844.20
  6. Step 6: Final answer
    x = 250,487.05

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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.