Home / 240,305.97-360,455.51-71,822.55

Finding the Fourth Proportional to 240,305.97, 360,455.51 and 71,822.55

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Solution

The fourth proportional to 240,305.97, 360,455.51 and 71,822.55 is: 107,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,305.97 : 360,455.51 = 71,822.55 : x
  2. Step 2: Convert to fraction form
    240,305.97/360,455.51 = 71,822.55/x
  3. Step 3: Cross multiply
    240,305.97x = 360,455.51 × 71,822.55
  4. Step 4: Simplify right side
    240,305.97x = 25,888,833,530.64
  5. Step 5: Solve for x
    x = 25,888,833,530.64/240,305.97
  6. Step 6: Final answer
    x = 107,732.79

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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.