Home / 140,029.47-193,232.98-79,591.72

Finding the Fourth Proportional to 140,029.47, 193,232.98 and 79,591.72

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Solution

The fourth proportional to 140,029.47, 193,232.98 and 79,591.72 is: 109,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,029.47 : 193,232.98 = 79,591.72 : x
  2. Step 2: Convert to fraction form
    140,029.47/193,232.98 = 79,591.72/x
  3. Step 3: Cross multiply
    140,029.47x = 193,232.98 × 79,591.72
  4. Step 4: Simplify right side
    140,029.47x = 15,379,745,238.93
  5. Step 5: Solve for x
    x = 15,379,745,238.93/140,029.47
  6. Step 6: Final answer
    x = 109,832.20

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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.