Home / 192,695.18-289,086.70-103,946.72

Finding the Fourth Proportional to 192,695.18, 289,086.70 and 103,946.72

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Solution

The fourth proportional to 192,695.18, 289,086.70 and 103,946.72 is: 155,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,695.18 : 289,086.70 = 103,946.72 : x
  2. Step 2: Convert to fraction form
    192,695.18/289,086.70 = 103,946.72/x
  3. Step 3: Cross multiply
    192,695.18x = 289,086.70 × 103,946.72
  4. Step 4: Simplify right side
    192,695.18x = 30,049,614,260.62
  5. Step 5: Solve for x
    x = 30,049,614,260.62/192,695.18
  6. Step 6: Final answer
    x = 155,943.78

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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.