Home / 158,589.77-218,793.83-101,231.24

Finding the Fourth Proportional to 158,589.77, 218,793.83 and 101,231.24

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Solution

The fourth proportional to 158,589.77, 218,793.83 and 101,231.24 is: 139,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,589.77 : 218,793.83 = 101,231.24 : x
  2. Step 2: Convert to fraction form
    158,589.77/218,793.83 = 101,231.24/x
  3. Step 3: Cross multiply
    158,589.77x = 218,793.83 × 101,231.24
  4. Step 4: Simplify right side
    158,589.77x = 22,148,769,115.12
  5. Step 5: Solve for x
    x = 22,148,769,115.12/158,589.77
  6. Step 6: Final answer
    x = 139,660.77

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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.