Home / 199,535.12-275,364.27-108,896.91

Finding the Fourth Proportional to 199,535.12, 275,364.27 and 108,896.91

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Solution

The fourth proportional to 199,535.12, 275,364.27 and 108,896.91 is: 150,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,535.12 : 275,364.27 = 108,896.91 : x
  2. Step 2: Convert to fraction form
    199,535.12/275,364.27 = 108,896.91/x
  3. Step 3: Cross multiply
    199,535.12x = 275,364.27 × 108,896.91
  4. Step 4: Simplify right side
    199,535.12x = 29,986,318,127.41
  5. Step 5: Solve for x
    x = 29,986,318,127.41/199,535.12
  6. Step 6: Final answer
    x = 150,280.90

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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.