Home / 111,713.78-154,158.54-60,726.26

Finding the Fourth Proportional to 111,713.78, 154,158.54 and 60,726.26

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Solution

The fourth proportional to 111,713.78, 154,158.54 and 60,726.26 is: 83,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,713.78 : 154,158.54 = 60,726.26 : x
  2. Step 2: Convert to fraction form
    111,713.78/154,158.54 = 60,726.26/x
  3. Step 3: Cross multiply
    111,713.78x = 154,158.54 × 60,726.26
  4. Step 4: Simplify right side
    111,713.78x = 9,361,471,213.38
  5. Step 5: Solve for x
    x = 9,361,471,213.38/111,713.78
  6. Step 6: Final answer
    x = 83,798.71

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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.