Home / 165,154.68-227,908.89-89,703.18

Finding the Fourth Proportional to 165,154.68, 227,908.89 and 89,703.18

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Solution

The fourth proportional to 165,154.68, 227,908.89 and 89,703.18 is: 123,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,154.68 : 227,908.89 = 89,703.18 : x
  2. Step 2: Convert to fraction form
    165,154.68/227,908.89 = 89,703.18/x
  3. Step 3: Cross multiply
    165,154.68x = 227,908.89 × 89,703.18
  4. Step 4: Simplify right side
    165,154.68x = 20,444,152,183.27
  5. Step 5: Solve for x
    x = 20,444,152,183.27/165,154.68
  6. Step 6: Final answer
    x = 123,787.91

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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.