Home / 140,228.79-193,518.23-79,793.07

Finding the Fourth Proportional to 140,228.79, 193,518.23 and 79,793.07

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Solution

The fourth proportional to 140,228.79, 193,518.23 and 79,793.07 is: 110,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,228.79 : 193,518.23 = 79,793.07 : x
  2. Step 2: Convert to fraction form
    140,228.79/193,518.23 = 79,793.07/x
  3. Step 3: Cross multiply
    140,228.79x = 193,518.23 × 79,793.07
  4. Step 4: Simplify right side
    140,228.79x = 15,441,413,273.70
  5. Step 5: Solve for x
    x = 15,441,413,273.70/140,228.79
  6. Step 6: Final answer
    x = 110,115.86

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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.