Home / 159,767.03-220,472.38-88,145.82

Finding the Fourth Proportional to 159,767.03, 220,472.38 and 88,145.82

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Solution

The fourth proportional to 159,767.03, 220,472.38 and 88,145.82 is: 121,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767.03 : 220,472.38 = 88,145.82 : x
  2. Step 2: Convert to fraction form
    159,767.03/220,472.38 = 88,145.82/x
  3. Step 3: Cross multiply
    159,767.03x = 220,472.38 × 88,145.82
  4. Step 4: Simplify right side
    159,767.03x = 19,433,718,832.63
  5. Step 5: Solve for x
    x = 19,433,718,832.63/159,767.03
  6. Step 6: Final answer
    x = 121,637.85

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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.