Home / 199,405.23-275,195.52-113,391.15

Finding the Fourth Proportional to 199,405.23, 275,195.52 and 113,391.15

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Solution

The fourth proportional to 199,405.23, 275,195.52 and 113,391.15 is: 156,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,405.23 : 275,195.52 = 113,391.15 : x
  2. Step 2: Convert to fraction form
    199,405.23/275,195.52 = 113,391.15/x
  3. Step 3: Cross multiply
    199,405.23x = 275,195.52 × 113,391.15
  4. Step 4: Simplify right side
    199,405.23x = 31,204,736,487.65
  5. Step 5: Solve for x
    x = 31,204,736,487.65/199,405.23
  6. Step 6: Final answer
    x = 156,489.06

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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.