Home / 159,864.90-220,478.13-96,190.80

Finding the Fourth Proportional to 159,864.90, 220,478.13 and 96,190.80

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Solution

The fourth proportional to 159,864.90, 220,478.13 and 96,190.80 is: 132,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,864.90 : 220,478.13 = 96,190.80 : x
  2. Step 2: Convert to fraction form
    159,864.90/220,478.13 = 96,190.80/x
  3. Step 3: Cross multiply
    159,864.90x = 220,478.13 × 96,190.80
  4. Step 4: Simplify right side
    159,864.90x = 21,207,967,707.20
  5. Step 5: Solve for x
    x = 21,207,967,707.20/159,864.90
  6. Step 6: Final answer
    x = 132,661.81

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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.