Home / 129,218.29-193,810.27-49,234.69

Finding the Fourth Proportional to 129,218.29, 193,810.27 and 49,234.69

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Solution

The fourth proportional to 129,218.29, 193,810.27 and 49,234.69 is: 73,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,218.29 : 193,810.27 = 49,234.69 : x
  2. Step 2: Convert to fraction form
    129,218.29/193,810.27 = 49,234.69/x
  3. Step 3: Cross multiply
    129,218.29x = 193,810.27 × 49,234.69
  4. Step 4: Simplify right side
    129,218.29x = 9,542,187,683.57
  5. Step 5: Solve for x
    x = 9,542,187,683.57/129,218.29
  6. Step 6: Final answer
    x = 73,845.49

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1.5x scale

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.