Home / 161,515.44-222,149.52-129,614.40

Finding the Fourth Proportional to 161,515.44, 222,149.52 and 129,614.40

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Solution

The fourth proportional to 161,515.44, 222,149.52 and 129,614.40 is: 178,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,515.44 : 222,149.52 = 129,614.40 : x
  2. Step 2: Convert to fraction form
    161,515.44/222,149.52 = 129,614.40/x
  3. Step 3: Cross multiply
    161,515.44x = 222,149.52 × 129,614.40
  4. Step 4: Simplify right side
    161,515.44x = 28,793,776,745.09
  5. Step 5: Solve for x
    x = 28,793,776,745.09/161,515.44
  6. Step 6: Final answer
    x = 178,272.60

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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.