Home / 159,982.11-220,770.63-88,360.56

Finding the Fourth Proportional to 159,982.11, 220,770.63 and 88,360.56

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Solution

The fourth proportional to 159,982.11, 220,770.63 and 88,360.56 is: 121,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,982.11 : 220,770.63 = 88,360.56 : x
  2. Step 2: Convert to fraction form
    159,982.11/220,770.63 = 88,360.56/x
  3. Step 3: Cross multiply
    159,982.11x = 220,770.63 × 88,360.56
  4. Step 4: Simplify right side
    159,982.11x = 19,507,416,498.35
  5. Step 5: Solve for x
    x = 19,507,416,498.35/159,982.11
  6. Step 6: Final answer
    x = 121,934.99

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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.