Home / 129,921.94-179,292.29-73,336.96

Finding the Fourth Proportional to 129,921.94, 179,292.29 and 73,336.96

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Solution

The fourth proportional to 129,921.94, 179,292.29 and 73,336.96 is: 101,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,921.94 : 179,292.29 = 73,336.96 : x
  2. Step 2: Convert to fraction form
    129,921.94/179,292.29 = 73,336.96/x
  3. Step 3: Cross multiply
    129,921.94x = 179,292.29 × 73,336.96
  4. Step 4: Simplify right side
    129,921.94x = 13,148,750,685.12
  5. Step 5: Solve for x
    x = 13,148,750,685.12/129,921.94
  6. Step 6: Final answer
    x = 101,205.01

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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.