Home / 111,129.44-153,358.62-60,142.16

Finding the Fourth Proportional to 111,129.44, 153,358.62 and 60,142.16

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Solution

The fourth proportional to 111,129.44, 153,358.62 and 60,142.16 is: 82,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,129.44 : 153,358.62 = 60,142.16 : x
  2. Step 2: Convert to fraction form
    111,129.44/153,358.62 = 60,142.16/x
  3. Step 3: Cross multiply
    111,129.44x = 153,358.62 × 60,142.16
  4. Step 4: Simplify right side
    111,129.44x = 9,223,318,819.28
  5. Step 5: Solve for x
    x = 9,223,318,819.28/111,129.44
  6. Step 6: Final answer
    x = 82,996.18

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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.