Home / 111,218.22-153,481.29-60,231.04

Finding the Fourth Proportional to 111,218.22, 153,481.29 and 60,231.04

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Solution

The fourth proportional to 111,218.22, 153,481.29 and 60,231.04 is: 83,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218.22 : 153,481.29 = 60,231.04 : x
  2. Step 2: Convert to fraction form
    111,218.22/153,481.29 = 60,231.04/x
  3. Step 3: Cross multiply
    111,218.22x = 153,481.29 × 60,231.04
  4. Step 4: Simplify right side
    111,218.22x = 9,244,337,717.24
  5. Step 5: Solve for x
    x = 9,244,337,717.24/111,218.22
  6. Step 6: Final answer
    x = 83,118.91

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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.