Home / 168,100.02-252,180-55,787.04

Finding the Fourth Proportional to 168,100.02, 252,180 and 55,787.04

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Solution

The fourth proportional to 168,100.02, 252,180 and 55,787.04 is: 83,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,100.02 : 252,180 = 55,787.04 : x
  2. Step 2: Convert to fraction form
    168,100.02/252,180 = 55,787.04/x
  3. Step 3: Cross multiply
    168,100.02x = 252,180 × 55,787.04
  4. Step 4: Simplify right side
    168,100.02x = 14,068,375,747.20
  5. Step 5: Solve for x
    x = 14,068,375,747.20/168,100.02
  6. Step 6: Final answer
    x = 83,690.51

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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.