Home / 168,106.20-251,937.90-123,523.80

Finding the Fourth Proportional to 168,106.20, 251,937.90 and 123,523.80

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Solution

The fourth proportional to 168,106.20, 251,937.90 and 123,523.80 is: 185,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,106.20 : 251,937.90 = 123,523.80 : x
  2. Step 2: Convert to fraction form
    168,106.20/251,937.90 = 123,523.80/x
  3. Step 3: Cross multiply
    168,106.20x = 251,937.90 × 123,523.80
  4. Step 4: Simplify right side
    168,106.20x = 31,120,326,772.02
  5. Step 5: Solve for x
    x = 31,120,326,772.02/168,106.20
  6. Step 6: Final answer
    x = 185,123.02

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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.