Home / 140,834.60-194,350.62-77,172.22

Finding the Fourth Proportional to 140,834.60, 194,350.62 and 77,172.22

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Solution

The fourth proportional to 140,834.60, 194,350.62 and 77,172.22 is: 106,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,834.60 : 194,350.62 = 77,172.22 : x
  2. Step 2: Convert to fraction form
    140,834.60/194,350.62 = 77,172.22/x
  3. Step 3: Cross multiply
    140,834.60x = 194,350.62 × 77,172.22
  4. Step 4: Simplify right side
    140,834.60x = 14,998,468,803.78
  5. Step 5: Solve for x
    x = 14,998,468,803.78/140,834.60
  6. Step 6: Final answer
    x = 106,497.05

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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.