Home / 179,621.40-247,879.30-99,052.12

Finding the Fourth Proportional to 179,621.40, 247,879.30 and 99,052.12

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Solution

The fourth proportional to 179,621.40, 247,879.30 and 99,052.12 is: 136,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.40 : 247,879.30 = 99,052.12 : x
  2. Step 2: Convert to fraction form
    179,621.40/247,879.30 = 99,052.12/x
  3. Step 3: Cross multiply
    179,621.40x = 247,879.30 × 99,052.12
  4. Step 4: Simplify right side
    179,621.40x = 24,552,970,169.12
  5. Step 5: Solve for x
    x = 24,552,970,169.12/179,621.40
  6. Step 6: Final answer
    x = 136,692.90

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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.