Home / 165,901.76-228,949.44-90,451.52

Finding the Fourth Proportional to 165,901.76, 228,949.44 and 90,451.52

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Solution

The fourth proportional to 165,901.76, 228,949.44 and 90,451.52 is: 124,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901.76 : 228,949.44 = 90,451.52 : x
  2. Step 2: Convert to fraction form
    165,901.76/228,949.44 = 90,451.52/x
  3. Step 3: Cross multiply
    165,901.76x = 228,949.44 × 90,451.52
  4. Step 4: Simplify right side
    165,901.76x = 20,708,824,851.15
  5. Step 5: Solve for x
    x = 20,708,824,851.15/165,901.76
  6. Step 6: Final answer
    x = 124,825.83

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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.