Home / 168,986.10-253,479.15-167,819.70

Finding the Fourth Proportional to 168,986.10, 253,479.15 and 167,819.70

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Solution

The fourth proportional to 168,986.10, 253,479.15 and 167,819.70 is: 251,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,986.10 : 253,479.15 = 167,819.70 : x
  2. Step 2: Convert to fraction form
    168,986.10/253,479.15 = 167,819.70/x
  3. Step 3: Cross multiply
    168,986.10x = 253,479.15 × 167,819.70
  4. Step 4: Simplify right side
    168,986.10x = 42,538,794,909.26
  5. Step 5: Solve for x
    x = 42,538,794,909.26/168,986.10
  6. Step 6: Final answer
    x = 251,729.55

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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.