Home / 111,183.78-153,432.48-60,195.15

Finding the Fourth Proportional to 111,183.78, 153,432.48 and 60,195.15

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Solution

The fourth proportional to 111,183.78, 153,432.48 and 60,195.15 is: 83,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,183.78 : 153,432.48 = 60,195.15 : x
  2. Step 2: Convert to fraction form
    111,183.78/153,432.48 = 60,195.15/x
  3. Step 3: Cross multiply
    111,183.78x = 153,432.48 × 60,195.15
  4. Step 4: Simplify right side
    111,183.78x = 9,235,891,148.47
  5. Step 5: Solve for x
    x = 9,235,891,148.47/111,183.78
  6. Step 6: Final answer
    x = 83,068.69

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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.