Home / 159,867.36-220,615.74-88,247.43

Finding the Fourth Proportional to 159,867.36, 220,615.74 and 88,247.43

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Solution

The fourth proportional to 159,867.36, 220,615.74 and 88,247.43 is: 121,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,867.36 : 220,615.74 = 88,247.43 : x
  2. Step 2: Convert to fraction form
    159,867.36/220,615.74 = 88,247.43/x
  3. Step 3: Cross multiply
    159,867.36x = 220,615.74 × 88,247.43
  4. Step 4: Simplify right side
    159,867.36x = 19,468,772,072.55
  5. Step 5: Solve for x
    x = 19,468,772,072.55/159,867.36
  6. Step 6: Final answer
    x = 121,780.78

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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.