Home / 199,318.14-275,061.20-108,673.38

Finding the Fourth Proportional to 199,318.14, 275,061.20 and 108,673.38

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Solution

The fourth proportional to 199,318.14, 275,061.20 and 108,673.38 is: 149,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318.14 : 275,061.20 = 108,673.38 : x
  2. Step 2: Convert to fraction form
    199,318.14/275,061.20 = 108,673.38/x
  3. Step 3: Cross multiply
    199,318.14x = 275,061.20 × 108,673.38
  4. Step 4: Simplify right side
    199,318.14x = 29,891,829,767.49
  5. Step 5: Solve for x
    x = 29,891,829,767.49/199,318.14
  6. Step 6: Final answer
    x = 149,970.44

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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.