Home / 140,572.67-193,985.44-80,162.75

Finding the Fourth Proportional to 140,572.67, 193,985.44 and 80,162.75

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Solution

The fourth proportional to 140,572.67, 193,985.44 and 80,162.75 is: 110,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,572.67 : 193,985.44 = 80,162.75 : x
  2. Step 2: Convert to fraction form
    140,572.67/193,985.44 = 80,162.75/x
  3. Step 3: Cross multiply
    140,572.67x = 193,985.44 × 80,162.75
  4. Step 4: Simplify right side
    140,572.67x = 15,550,406,614.92
  5. Step 5: Solve for x
    x = 15,550,406,614.92/140,572.67
  6. Step 6: Final answer
    x = 110,621.84

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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.