Home / 159,678.32-220,351.74-88,057.04

Finding the Fourth Proportional to 159,678.32, 220,351.74 and 88,057.04

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Solution

The fourth proportional to 159,678.32, 220,351.74 and 88,057.04 is: 121,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,678.32 : 220,351.74 = 88,057.04 : x
  2. Step 2: Convert to fraction form
    159,678.32/220,351.74 = 88,057.04/x
  3. Step 3: Cross multiply
    159,678.32x = 220,351.74 × 88,057.04
  4. Step 4: Simplify right side
    159,678.32x = 19,403,521,983.25
  5. Step 5: Solve for x
    x = 19,403,521,983.25/159,678.32
  6. Step 6: Final answer
    x = 121,516.32

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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.