Home / 168,197.46-251,781.03-108,915.18

Finding the Fourth Proportional to 168,197.46, 251,781.03 and 108,915.18

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Solution

The fourth proportional to 168,197.46, 251,781.03 and 108,915.18 is: 163,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,197.46 : 251,781.03 = 108,915.18 : x
  2. Step 2: Convert to fraction form
    168,197.46/251,781.03 = 108,915.18/x
  3. Step 3: Cross multiply
    168,197.46x = 251,781.03 × 108,915.18
  4. Step 4: Simplify right side
    168,197.46x = 27,422,776,203.04
  5. Step 5: Solve for x
    x = 27,422,776,203.04/168,197.46
  6. Step 6: Final answer
    x = 163,039.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.