Home / 165,856.26-228,882.04-90,404.76

Finding the Fourth Proportional to 165,856.26, 228,882.04 and 90,404.76

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Solution

The fourth proportional to 165,856.26, 228,882.04 and 90,404.76 is: 124,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,856.26 : 228,882.04 = 90,404.76 : x
  2. Step 2: Convert to fraction form
    165,856.26/228,882.04 = 90,404.76/x
  3. Step 3: Cross multiply
    165,856.26x = 228,882.04 × 90,404.76
  4. Step 4: Simplify right side
    165,856.26x = 20,692,025,894.51
  5. Step 5: Solve for x
    x = 20,692,025,894.51/165,856.26
  6. Step 6: Final answer
    x = 124,758.79

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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.