Home / 165,780.54-228,777.18-90,329.04

Finding the Fourth Proportional to 165,780.54, 228,777.18 and 90,329.04

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Solution

The fourth proportional to 165,780.54, 228,777.18 and 90,329.04 is: 124,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,780.54 : 228,777.18 = 90,329.04 : x
  2. Step 2: Convert to fraction form
    165,780.54/228,777.18 = 90,329.04/x
  3. Step 3: Cross multiply
    165,780.54x = 228,777.18 × 90,329.04
  4. Step 4: Simplify right side
    165,780.54x = 20,665,223,043.31
  5. Step 5: Solve for x
    x = 20,665,223,043.31/165,780.54
  6. Step 6: Final answer
    x = 124,654.09

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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.