Home / 179,990.16-248,385.24-99,422.88

Finding the Fourth Proportional to 179,990.16, 248,385.24 and 99,422.88

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Solution

The fourth proportional to 179,990.16, 248,385.24 and 99,422.88 is: 137,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,990.16 : 248,385.24 = 99,422.88 : x
  2. Step 2: Convert to fraction form
    179,990.16/248,385.24 = 99,422.88/x
  3. Step 3: Cross multiply
    179,990.16x = 248,385.24 × 99,422.88
  4. Step 4: Simplify right side
    179,990.16x = 24,695,175,910.29
  5. Step 5: Solve for x
    x = 24,695,175,910.29/179,990.16
  6. Step 6: Final answer
    x = 137,202.92

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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.