Home / 107,625.31-161,431.43-40,144.33

Finding the Fourth Proportional to 107,625.31, 161,431.43 and 40,144.33

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Solution

The fourth proportional to 107,625.31, 161,431.43 and 40,144.33 is: 60,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,625.31 : 161,431.43 = 40,144.33 : x
  2. Step 2: Convert to fraction form
    107,625.31/161,431.43 = 40,144.33/x
  3. Step 3: Cross multiply
    107,625.31x = 161,431.43 × 40,144.33
  4. Step 4: Simplify right side
    107,625.31x = 6,480,557,279.20
  5. Step 5: Solve for x
    x = 6,480,557,279.20/107,625.31
  6. Step 6: Final answer
    x = 60,214.07

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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.