Home / 140,964.85-194,542.72-79,723.94

Finding the Fourth Proportional to 140,964.85, 194,542.72 and 79,723.94

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Solution

The fourth proportional to 140,964.85, 194,542.72 and 79,723.94 is: 110,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,964.85 : 194,542.72 = 79,723.94 : x
  2. Step 2: Convert to fraction form
    140,964.85/194,542.72 = 79,723.94/x
  3. Step 3: Cross multiply
    140,964.85x = 194,542.72 × 79,723.94
  4. Step 4: Simplify right side
    140,964.85x = 15,509,712,423.76
  5. Step 5: Solve for x
    x = 15,509,712,423.76/140,964.85
  6. Step 6: Final answer
    x = 110,025.39

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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.