Home / 159,860.45-220,609.25-88,240.52

Finding the Fourth Proportional to 159,860.45, 220,609.25 and 88,240.52

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Solution

The fourth proportional to 159,860.45, 220,609.25 and 88,240.52 is: 121,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.45 : 220,609.25 = 88,240.52 : x
  2. Step 2: Convert to fraction form
    159,860.45/220,609.25 = 88,240.52/x
  3. Step 3: Cross multiply
    159,860.45x = 220,609.25 × 88,240.52
  4. Step 4: Simplify right side
    159,860.45x = 19,466,673,392.56
  5. Step 5: Solve for x
    x = 19,466,673,392.56/159,860.45
  6. Step 6: Final answer
    x = 121,772.92

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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.