Home / 159,986.92-220,795.62-88,374.76

Finding the Fourth Proportional to 159,986.92, 220,795.62 and 88,374.76

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Solution

The fourth proportional to 159,986.92, 220,795.62 and 88,374.76 is: 121,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,986.92 : 220,795.62 = 88,374.76 : x
  2. Step 2: Convert to fraction form
    159,986.92/220,795.62 = 88,374.76/x
  3. Step 3: Cross multiply
    159,986.92x = 220,795.62 × 88,374.76
  4. Step 4: Simplify right side
    159,986.92x = 19,512,759,926.55
  5. Step 5: Solve for x
    x = 19,512,759,926.55/159,986.92
  6. Step 6: Final answer
    x = 121,964.72

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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.