Home / 107,700.32-161,608.80-103,773.44

Finding the Fourth Proportional to 107,700.32, 161,608.80 and 103,773.44

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Solution

The fourth proportional to 107,700.32, 161,608.80 and 103,773.44 is: 155,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,700.32 : 161,608.80 = 103,773.44 : x
  2. Step 2: Convert to fraction form
    107,700.32/161,608.80 = 103,773.44/x
  3. Step 3: Cross multiply
    107,700.32x = 161,608.80 × 103,773.44
  4. Step 4: Simplify right side
    107,700.32x = 16,770,700,302.23
  5. Step 5: Solve for x
    x = 16,770,700,302.23/107,700.32
  6. Step 6: Final answer
    x = 155,716.35

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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.