Home / 165,333.76-228,162.20-89,883.88

Finding the Fourth Proportional to 165,333.76, 228,162.20 and 89,883.88

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Solution

The fourth proportional to 165,333.76, 228,162.20 and 89,883.88 is: 124,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,333.76 : 228,162.20 = 89,883.88 : x
  2. Step 2: Convert to fraction form
    165,333.76/228,162.20 = 89,883.88/x
  3. Step 3: Cross multiply
    165,333.76x = 228,162.20 × 89,883.88
  4. Step 4: Simplify right side
    165,333.76x = 20,508,103,805.34
  5. Step 5: Solve for x
    x = 20,508,103,805.34/165,333.76
  6. Step 6: Final answer
    x = 124,040.63

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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.