Home / 111,130.56-153,358.99-60,142.17

Finding the Fourth Proportional to 111,130.56, 153,358.99 and 60,142.17

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Solution

The fourth proportional to 111,130.56, 153,358.99 and 60,142.17 is: 82,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130.56 : 153,358.99 = 60,142.17 : x
  2. Step 2: Convert to fraction form
    111,130.56/153,358.99 = 60,142.17/x
  3. Step 3: Cross multiply
    111,130.56x = 153,358.99 × 60,142.17
  4. Step 4: Simplify right side
    111,130.56x = 9,223,342,872.35
  5. Step 5: Solve for x
    x = 9,223,342,872.35/111,130.56
  6. Step 6: Final answer
    x = 82,995.56

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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.