Home / 192,114.28-265,121.70-107,234.92

Finding the Fourth Proportional to 192,114.28, 265,121.70 and 107,234.92

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Solution

The fourth proportional to 192,114.28, 265,121.70 and 107,234.92 is: 147,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,114.28 : 265,121.70 = 107,234.92 : x
  2. Step 2: Convert to fraction form
    192,114.28/265,121.70 = 107,234.92/x
  3. Step 3: Cross multiply
    192,114.28x = 265,121.70 × 107,234.92
  4. Step 4: Simplify right side
    192,114.28x = 28,430,304,289.76
  5. Step 5: Solve for x
    x = 28,430,304,289.76/192,114.28
  6. Step 6: Final answer
    x = 147,986.42

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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.