Home / 111,181.85-153,431.05-60,194.61

Finding the Fourth Proportional to 111,181.85, 153,431.05 and 60,194.61

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Solution

The fourth proportional to 111,181.85, 153,431.05 and 60,194.61 is: 83,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.85 : 153,431.05 = 60,194.61 : x
  2. Step 2: Convert to fraction form
    111,181.85/153,431.05 = 60,194.61/x
  3. Step 3: Cross multiply
    111,181.85x = 153,431.05 × 60,194.61
  4. Step 4: Simplify right side
    111,181.85x = 9,235,722,216.64
  5. Step 5: Solve for x
    x = 9,235,722,216.64/111,181.85
  6. Step 6: Final answer
    x = 83,068.61

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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.