Home / 140,285.52-193,591.22-79,854.86

Finding the Fourth Proportional to 140,285.52, 193,591.22 and 79,854.86

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Solution

The fourth proportional to 140,285.52, 193,591.22 and 79,854.86 is: 110,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,285.52 : 193,591.22 = 79,854.86 : x
  2. Step 2: Convert to fraction form
    140,285.52/193,591.22 = 79,854.86/x
  3. Step 3: Cross multiply
    140,285.52x = 193,591.22 × 79,854.86
  4. Step 4: Simplify right side
    140,285.52x = 15,459,199,855.03
  5. Step 5: Solve for x
    x = 15,459,199,855.03/140,285.52
  6. Step 6: Final answer
    x = 110,198.11

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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.