Home / 159,656.32-220,321.38-88,035.04

Finding the Fourth Proportional to 159,656.32, 220,321.38 and 88,035.04

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Solution

The fourth proportional to 159,656.32, 220,321.38 and 88,035.04 is: 121,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,656.32 : 220,321.38 = 88,035.04 : x
  2. Step 2: Convert to fraction form
    159,656.32/220,321.38 = 88,035.04/x
  3. Step 3: Cross multiply
    159,656.32x = 220,321.38 × 88,035.04
  4. Step 4: Simplify right side
    159,656.32x = 19,396,001,501.16
  5. Step 5: Solve for x
    x = 19,396,001,501.16/159,656.32
  6. Step 6: Final answer
    x = 121,485.96

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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.