Home / 192,711.42-289,073.48-66,350.34

Finding the Fourth Proportional to 192,711.42, 289,073.48 and 66,350.34

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Solution

The fourth proportional to 192,711.42, 289,073.48 and 66,350.34 is: 99,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,711.42 : 289,073.48 = 66,350.34 : x
  2. Step 2: Convert to fraction form
    192,711.42/289,073.48 = 66,350.34/x
  3. Step 3: Cross multiply
    192,711.42x = 289,073.48 × 66,350.34
  4. Step 4: Simplify right side
    192,711.42x = 19,180,123,351.23
  5. Step 5: Solve for x
    x = 19,180,123,351.23/192,711.42
  6. Step 6: Final answer
    x = 99,527.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.