Home / 140,006.97-193,221.09-79,596.56

Finding the Fourth Proportional to 140,006.97, 193,221.09 and 79,596.56

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Solution

The fourth proportional to 140,006.97, 193,221.09 and 79,596.56 is: 109,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.97 : 193,221.09 = 79,596.56 : x
  2. Step 2: Convert to fraction form
    140,006.97/193,221.09 = 79,596.56/x
  3. Step 3: Cross multiply
    140,006.97x = 193,221.09 × 79,596.56
  4. Step 4: Simplify right side
    140,006.97x = 15,379,733,117.34
  5. Step 5: Solve for x
    x = 15,379,733,117.34/140,006.97
  6. Step 6: Final answer
    x = 109,849.77

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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.