Home / 168,172.12-232,076.10-92,719

Finding the Fourth Proportional to 168,172.12, 232,076.10 and 92,719

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Solution

The fourth proportional to 168,172.12, 232,076.10 and 92,719 is: 127,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,172.12 : 232,076.10 = 92,719 : x
  2. Step 2: Convert to fraction form
    168,172.12/232,076.10 = 92,719/x
  3. Step 3: Cross multiply
    168,172.12x = 232,076.10 × 92,719
  4. Step 4: Simplify right side
    168,172.12x = 21,517,863,915.90
  5. Step 5: Solve for x
    x = 21,517,863,915.90/168,172.12
  6. Step 6: Final answer
    x = 127,951.43

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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.