Home / 165,130.30-227,882.46-89,678.80

Finding the Fourth Proportional to 165,130.30, 227,882.46 and 89,678.80

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Solution

The fourth proportional to 165,130.30, 227,882.46 and 89,678.80 is: 123,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,130.30 : 227,882.46 = 89,678.80 : x
  2. Step 2: Convert to fraction form
    165,130.30/227,882.46 = 89,678.80/x
  3. Step 3: Cross multiply
    165,130.30x = 227,882.46 × 89,678.80
  4. Step 4: Simplify right side
    165,130.30x = 20,436,225,553.85
  5. Step 5: Solve for x
    x = 20,436,225,553.85/165,130.30
  6. Step 6: Final answer
    x = 123,758.18

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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.