Home / 179,800.74-269,630.95-67,419.66

Finding the Fourth Proportional to 179,800.74, 269,630.95 and 67,419.66

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Solution

The fourth proportional to 179,800.74, 269,630.95 and 67,419.66 is: 101,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,800.74 : 269,630.95 = 67,419.66 : x
  2. Step 2: Convert to fraction form
    179,800.74/269,630.95 = 67,419.66/x
  3. Step 3: Cross multiply
    179,800.74x = 269,630.95 × 67,419.66
  4. Step 4: Simplify right side
    179,800.74x = 18,178,426,974.48
  5. Step 5: Solve for x
    x = 18,178,426,974.48/179,800.74
  6. Step 6: Final answer
    x = 101,103.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.