Home / 220,560.56-304,275.96-135,627.44

Finding the Fourth Proportional to 220,560.56, 304,275.96 and 135,627.44

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Solution

The fourth proportional to 220,560.56, 304,275.96 and 135,627.44 is: 187,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,560.56 : 304,275.96 = 135,627.44 : x
  2. Step 2: Convert to fraction form
    220,560.56/304,275.96 = 135,627.44/x
  3. Step 3: Cross multiply
    220,560.56x = 304,275.96 × 135,627.44
  4. Step 4: Simplify right side
    220,560.56x = 41,268,169,508.34
  5. Step 5: Solve for x
    x = 41,268,169,508.34/220,560.56
  6. Step 6: Final answer
    x = 187,105.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.