Home / 129,949.26-179,329.98-73,364.28

Finding the Fourth Proportional to 129,949.26, 179,329.98 and 73,364.28

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Solution

The fourth proportional to 129,949.26, 179,329.98 and 73,364.28 is: 101,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,949.26 : 179,329.98 = 73,364.28 : x
  2. Step 2: Convert to fraction form
    129,949.26/179,329.98 = 73,364.28/x
  3. Step 3: Cross multiply
    129,949.26x = 179,329.98 × 73,364.28
  4. Step 4: Simplify right side
    129,949.26x = 13,156,414,865.11
  5. Step 5: Solve for x
    x = 13,156,414,865.11/129,949.26
  6. Step 6: Final answer
    x = 101,242.71

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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.