Home / 103,832.22-155,761.38-40,644.21

Finding the Fourth Proportional to 103,832.22, 155,761.38 and 40,644.21

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Solution

The fourth proportional to 103,832.22, 155,761.38 and 40,644.21 is: 60,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,832.22 : 155,761.38 = 40,644.21 : x
  2. Step 2: Convert to fraction form
    103,832.22/155,761.38 = 40,644.21/x
  3. Step 3: Cross multiply
    103,832.22x = 155,761.38 × 40,644.21
  4. Step 4: Simplify right side
    103,832.22x = 6,330,798,238.61
  5. Step 5: Solve for x
    x = 6,330,798,238.61/103,832.22
  6. Step 6: Final answer
    x = 60,971.42

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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.