Home / 129,850.07-179,193.26-73,266.71

Finding the Fourth Proportional to 129,850.07, 179,193.26 and 73,266.71

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Solution

The fourth proportional to 129,850.07, 179,193.26 and 73,266.71 is: 101,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,850.07 : 179,193.26 = 73,266.71 : x
  2. Step 2: Convert to fraction form
    129,850.07/179,193.26 = 73,266.71/x
  3. Step 3: Cross multiply
    129,850.07x = 179,193.26 × 73,266.71
  4. Step 4: Simplify right side
    129,850.07x = 13,128,899,901.58
  5. Step 5: Solve for x
    x = 13,128,899,901.58/129,850.07
  6. Step 6: Final answer
    x = 101,108.15

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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.