Home / 276,918.13-382,147.10-149,593.69

Finding the Fourth Proportional to 276,918.13, 382,147.10 and 149,593.69

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Solution

The fourth proportional to 276,918.13, 382,147.10 and 149,593.69 is: 206,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,918.13 : 382,147.10 = 149,593.69 : x
  2. Step 2: Convert to fraction form
    276,918.13/382,147.10 = 149,593.69/x
  3. Step 3: Cross multiply
    276,918.13x = 382,147.10 × 149,593.69
  4. Step 4: Simplify right side
    276,918.13x = 57,166,794,811.80
  5. Step 5: Solve for x
    x = 57,166,794,811.80/276,918.13
  6. Step 6: Final answer
    x = 206,439.34

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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.