Home / 250,363.04-345,505.38-137,179.04

Finding the Fourth Proportional to 250,363.04, 345,505.38 and 137,179.04

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Solution

The fourth proportional to 250,363.04, 345,505.38 and 137,179.04 is: 189,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,363.04 : 345,505.38 = 137,179.04 : x
  2. Step 2: Convert to fraction form
    250,363.04/345,505.38 = 137,179.04/x
  3. Step 3: Cross multiply
    250,363.04x = 345,505.38 × 137,179.04
  4. Step 4: Simplify right side
    250,363.04x = 47,396,096,343.24
  5. Step 5: Solve for x
    x = 47,396,096,343.24/250,363.04
  6. Step 6: Final answer
    x = 189,309.48

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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.