Home / 179,986.29-248,396.45-99,422.61

Finding the Fourth Proportional to 179,986.29, 248,396.45 and 99,422.61

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Solution

The fourth proportional to 179,986.29, 248,396.45 and 99,422.61 is: 137,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,986.29 : 248,396.45 = 99,422.61 : x
  2. Step 2: Convert to fraction form
    179,986.29/248,396.45 = 99,422.61/x
  3. Step 3: Cross multiply
    179,986.29x = 248,396.45 × 99,422.61
  4. Step 4: Simplify right side
    179,986.29x = 24,696,223,373.73
  5. Step 5: Solve for x
    x = 24,696,223,373.73/179,986.29
  6. Step 6: Final answer
    x = 137,211.69

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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.