Home / 165,146.80-227,898.84-89,693.68

Finding the Fourth Proportional to 165,146.80, 227,898.84 and 89,693.68

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Solution

The fourth proportional to 165,146.80, 227,898.84 and 89,693.68 is: 123,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,146.80 : 227,898.84 = 89,693.68 : x
  2. Step 2: Convert to fraction form
    165,146.80/227,898.84 = 89,693.68/x
  3. Step 3: Cross multiply
    165,146.80x = 227,898.84 × 89,693.68
  4. Step 4: Simplify right side
    165,146.80x = 20,441,085,627.33
  5. Step 5: Solve for x
    x = 20,441,085,627.33/165,146.80
  6. Step 6: Final answer
    x = 123,775.24

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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.