Home / 111,183.10-153,432.77-60,195.87

Finding the Fourth Proportional to 111,183.10, 153,432.77 and 60,195.87

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Solution

The fourth proportional to 111,183.10, 153,432.77 and 60,195.87 is: 83,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,183.10 : 153,432.77 = 60,195.87 : x
  2. Step 2: Convert to fraction form
    111,183.10/153,432.77 = 60,195.87/x
  3. Step 3: Cross multiply
    111,183.10x = 153,432.77 × 60,195.87
  4. Step 4: Simplify right side
    111,183.10x = 9,236,019,076.66
  5. Step 5: Solve for x
    x = 9,236,019,076.66/111,183.10
  6. Step 6: Final answer
    x = 83,070.35

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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.