Home / 140,269.23-193,566.11-79,014.20

Finding the Fourth Proportional to 140,269.23, 193,566.11 and 79,014.20

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Solution

The fourth proportional to 140,269.23, 193,566.11 and 79,014.20 is: 109,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,269.23 : 193,566.11 = 79,014.20 : x
  2. Step 2: Convert to fraction form
    140,269.23/193,566.11 = 79,014.20/x
  3. Step 3: Cross multiply
    140,269.23x = 193,566.11 × 79,014.20
  4. Step 4: Simplify right side
    140,269.23x = 15,294,469,965.86
  5. Step 5: Solve for x
    x = 15,294,469,965.86/140,269.23
  6. Step 6: Final answer
    x = 109,036.53

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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.