Home / 140,824.23-194,337.54-83,491.85

Finding the Fourth Proportional to 140,824.23, 194,337.54 and 83,491.85

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Solution

The fourth proportional to 140,824.23, 194,337.54 and 83,491.85 is: 115,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,824.23 : 194,337.54 = 83,491.85 : x
  2. Step 2: Convert to fraction form
    140,824.23/194,337.54 = 83,491.85/x
  3. Step 3: Cross multiply
    140,824.23x = 194,337.54 × 83,491.85
  4. Step 4: Simplify right side
    140,824.23x = 16,225,599,767.36
  5. Step 5: Solve for x
    x = 16,225,599,767.36/140,824.23
  6. Step 6: Final answer
    x = 115,218.81

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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.