Home / 140,583.20-194,006.22-76,923.68

Finding the Fourth Proportional to 140,583.20, 194,006.22 and 76,923.68

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Solution

The fourth proportional to 140,583.20, 194,006.22 and 76,923.68 is: 106,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,583.20 : 194,006.22 = 76,923.68 : x
  2. Step 2: Convert to fraction form
    140,583.20/194,006.22 = 76,923.68/x
  3. Step 3: Cross multiply
    140,583.20x = 194,006.22 × 76,923.68
  4. Step 4: Simplify right side
    140,583.20x = 14,923,672,385.29
  5. Step 5: Solve for x
    x = 14,923,672,385.29/140,583.20
  6. Step 6: Final answer
    x = 106,155.45

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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.