Home / 111,180.87-153,431.42-60,876.63

Finding the Fourth Proportional to 111,180.87, 153,431.42 and 60,876.63

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Solution

The fourth proportional to 111,180.87, 153,431.42 and 60,876.63 is: 84,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,180.87 : 153,431.42 = 60,876.63 : x
  2. Step 2: Convert to fraction form
    111,180.87/153,431.42 = 60,876.63/x
  3. Step 3: Cross multiply
    111,180.87x = 153,431.42 × 60,876.63
  4. Step 4: Simplify right side
    111,180.87x = 9,340,387,481.33
  5. Step 5: Solve for x
    x = 9,340,387,481.33/111,180.87
  6. Step 6: Final answer
    x = 84,010.74

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1.5x scale

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.