Home / 179,727.20-248,021.18-99,158.12

Finding the Fourth Proportional to 179,727.20, 248,021.18 and 99,158.12

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Solution

The fourth proportional to 179,727.20, 248,021.18 and 99,158.12 is: 136,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,727.20 : 248,021.18 = 99,158.12 : x
  2. Step 2: Convert to fraction form
    179,727.20/248,021.18 = 99,158.12/x
  3. Step 3: Cross multiply
    179,727.20x = 248,021.18 × 99,158.12
  4. Step 4: Simplify right side
    179,727.20x = 24,593,313,928.98
  5. Step 5: Solve for x
    x = 24,593,313,928.98/179,727.20
  6. Step 6: Final answer
    x = 136,836.91

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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.