Home / 129,218.10-193,683.15-50,306.10

Finding the Fourth Proportional to 129,218.10, 193,683.15 and 50,306.10

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Solution

The fourth proportional to 129,218.10, 193,683.15 and 50,306.10 is: 75,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,218.10 : 193,683.15 = 50,306.10 : x
  2. Step 2: Convert to fraction form
    129,218.10/193,683.15 = 50,306.10/x
  3. Step 3: Cross multiply
    129,218.10x = 193,683.15 × 50,306.10
  4. Step 4: Simplify right side
    129,218.10x = 9,743,443,912.22
  5. Step 5: Solve for x
    x = 9,743,443,912.22/129,218.10
  6. Step 6: Final answer
    x = 75,403.09

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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.