Home / 199,382.03-275,136.26-113,329.05

Finding the Fourth Proportional to 199,382.03, 275,136.26 and 113,329.05

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Solution

The fourth proportional to 199,382.03, 275,136.26 and 113,329.05 is: 156,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,382.03 : 275,136.26 = 113,329.05 : x
  2. Step 2: Convert to fraction form
    199,382.03/275,136.26 = 113,329.05/x
  3. Step 3: Cross multiply
    199,382.03x = 275,136.26 × 113,329.05
  4. Step 4: Simplify right side
    199,382.03x = 31,180,930,301.14
  5. Step 5: Solve for x
    x = 31,180,930,301.14/199,382.03
  6. Step 6: Final answer
    x = 156,387.87

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1.5x scale

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.