Home / 140,909.49-194,453.46-77,247.27

Finding the Fourth Proportional to 140,909.49, 194,453.46 and 77,247.27

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Solution

The fourth proportional to 140,909.49, 194,453.46 and 77,247.27 is: 106,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,909.49 : 194,453.46 = 77,247.27 : x
  2. Step 2: Convert to fraction form
    140,909.49/194,453.46 = 77,247.27/x
  3. Step 3: Cross multiply
    140,909.49x = 194,453.46 × 77,247.27
  4. Step 4: Simplify right side
    140,909.49x = 15,020,998,927.05
  5. Step 5: Solve for x
    x = 15,020,998,927.05/140,909.49
  6. Step 6: Final answer
    x = 106,600.34

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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.