Home / 140,562.28-193,972.62-76,900.60

Finding the Fourth Proportional to 140,562.28, 193,972.62 and 76,900.60

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Solution

The fourth proportional to 140,562.28, 193,972.62 and 76,900.60 is: 106,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,562.28 : 193,972.62 = 76,900.60 : x
  2. Step 2: Convert to fraction form
    140,562.28/193,972.62 = 76,900.60/x
  3. Step 3: Cross multiply
    140,562.28x = 193,972.62 × 76,900.60
  4. Step 4: Simplify right side
    140,562.28x = 14,916,610,861.57
  5. Step 5: Solve for x
    x = 14,916,610,861.57/140,562.28
  6. Step 6: Final answer
    x = 106,121.01

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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.