Home / 165,065.88-227,792.34-89,614.56

Finding the Fourth Proportional to 165,065.88, 227,792.34 and 89,614.56

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Solution

The fourth proportional to 165,065.88, 227,792.34 and 89,614.56 is: 123,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,065.88 : 227,792.34 = 89,614.56 : x
  2. Step 2: Convert to fraction form
    165,065.88/227,792.34 = 89,614.56/x
  3. Step 3: Cross multiply
    165,065.88x = 227,792.34 × 89,614.56
  4. Step 4: Simplify right side
    165,065.88x = 20,413,510,320.47
  5. Step 5: Solve for x
    x = 20,413,510,320.47/165,065.88
  6. Step 6: Final answer
    x = 123,668.87

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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.