Home / 140,320.33-193,620.70-79,893.52

Finding the Fourth Proportional to 140,320.33, 193,620.70 and 79,893.52

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Solution

The fourth proportional to 140,320.33, 193,620.70 and 79,893.52 is: 110,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.33 : 193,620.70 = 79,893.52 : x
  2. Step 2: Convert to fraction form
    140,320.33/193,620.70 = 79,893.52/x
  3. Step 3: Cross multiply
    140,320.33x = 193,620.70 × 79,893.52
  4. Step 4: Simplify right side
    140,320.33x = 15,469,039,267.86
  5. Step 5: Solve for x
    x = 15,469,039,267.86/140,320.33
  6. Step 6: Final answer
    x = 110,240.90

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1.5x scale

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.