Home / 140,263.25-193,540.59-79,834.82

Finding the Fourth Proportional to 140,263.25, 193,540.59 and 79,834.82

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Solution

The fourth proportional to 140,263.25, 193,540.59 and 79,834.82 is: 110,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.25 : 193,540.59 = 79,834.82 : x
  2. Step 2: Convert to fraction form
    140,263.25/193,540.59 = 79,834.82/x
  3. Step 3: Cross multiply
    140,263.25x = 193,540.59 × 79,834.82
  4. Step 4: Simplify right side
    140,263.25x = 15,451,277,197.64
  5. Step 5: Solve for x
    x = 15,451,277,197.64/140,263.25
  6. Step 6: Final answer
    x = 110,159.13

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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.