Home / 299,728.11-413,619.96-163,759.14

Finding the Fourth Proportional to 299,728.11, 413,619.96 and 163,759.14

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Solution

The fourth proportional to 299,728.11, 413,619.96 and 163,759.14 is: 225,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,728.11 : 413,619.96 = 163,759.14 : x
  2. Step 2: Convert to fraction form
    299,728.11/413,619.96 = 163,759.14/x
  3. Step 3: Cross multiply
    299,728.11x = 413,619.96 × 163,759.14
  4. Step 4: Simplify right side
    299,728.11x = 67,734,046,868.33
  5. Step 5: Solve for x
    x = 67,734,046,868.33/299,728.11
  6. Step 6: Final answer
    x = 225,984.97

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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.