Home / 151,170.88-226,616.40-66,886.36

Finding the Fourth Proportional to 151,170.88, 226,616.40 and 66,886.36

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Solution

The fourth proportional to 151,170.88, 226,616.40 and 66,886.36 is: 100,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,170.88 : 226,616.40 = 66,886.36 : x
  2. Step 2: Convert to fraction form
    151,170.88/226,616.40 = 66,886.36/x
  3. Step 3: Cross multiply
    151,170.88x = 226,616.40 × 66,886.36
  4. Step 4: Simplify right side
    151,170.88x = 15,157,546,112.30
  5. Step 5: Solve for x
    x = 15,157,546,112.30/151,170.88
  6. Step 6: Final answer
    x = 100,267.63

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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.