Home / 167,515.40-251,273.10-120,276.20

Finding the Fourth Proportional to 167,515.40, 251,273.10 and 120,276.20

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Solution

The fourth proportional to 167,515.40, 251,273.10 and 120,276.20 is: 180,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,515.40 : 251,273.10 = 120,276.20 : x
  2. Step 2: Convert to fraction form
    167,515.40/251,273.10 = 120,276.20/x
  3. Step 3: Cross multiply
    167,515.40x = 251,273.10 × 120,276.20
  4. Step 4: Simplify right side
    167,515.40x = 30,222,173,630.22
  5. Step 5: Solve for x
    x = 30,222,173,630.22/167,515.40
  6. Step 6: Final answer
    x = 180,414.30

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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.