Home / 107,441.03-161,008.74-79,138.52

Finding the Fourth Proportional to 107,441.03, 161,008.74 and 79,138.52

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Solution

The fourth proportional to 107,441.03, 161,008.74 and 79,138.52 is: 118,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,441.03 : 161,008.74 = 79,138.52 : x
  2. Step 2: Convert to fraction form
    107,441.03/161,008.74 = 79,138.52/x
  3. Step 3: Cross multiply
    107,441.03x = 161,008.74 × 79,138.52
  4. Step 4: Simplify right side
    107,441.03x = 12,741,992,189.93
  5. Step 5: Solve for x
    x = 12,741,992,189.93/107,441.03
  6. Step 6: Final answer
    x = 118,595.22

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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.