Home / 220,139.24-330,139.73-93,778.16

Finding the Fourth Proportional to 220,139.24, 330,139.73 and 93,778.16

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Solution

The fourth proportional to 220,139.24, 330,139.73 and 93,778.16 is: 140,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,139.24 : 330,139.73 = 93,778.16 : x
  2. Step 2: Convert to fraction form
    220,139.24/330,139.73 = 93,778.16/x
  3. Step 3: Cross multiply
    220,139.24x = 330,139.73 × 93,778.16
  4. Step 4: Simplify right side
    220,139.24x = 30,959,895,006.04
  5. Step 5: Solve for x
    x = 30,959,895,006.04/220,139.24
  6. Step 6: Final answer
    x = 140,637.79

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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.