Home / 225,909.12-338,643.36-107,548.68

Finding the Fourth Proportional to 225,909.12, 338,643.36 and 107,548.68

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Solution

The fourth proportional to 225,909.12, 338,643.36 and 107,548.68 is: 161,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,909.12 : 338,643.36 = 107,548.68 : x
  2. Step 2: Convert to fraction form
    225,909.12/338,643.36 = 107,548.68/x
  3. Step 3: Cross multiply
    225,909.12x = 338,643.36 × 107,548.68
  4. Step 4: Simplify right side
    225,909.12x = 36,420,646,358.76
  5. Step 5: Solve for x
    x = 36,420,646,358.76/225,909.12
  6. Step 6: Final answer
    x = 161,218.13

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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.