Home / 165,401.16-228,253.60-89,949.66

Finding the Fourth Proportional to 165,401.16, 228,253.60 and 89,949.66

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Solution

The fourth proportional to 165,401.16, 228,253.60 and 89,949.66 is: 124,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,401.16 : 228,253.60 = 89,949.66 : x
  2. Step 2: Convert to fraction form
    165,401.16/228,253.60 = 89,949.66/x
  3. Step 3: Cross multiply
    165,401.16x = 228,253.60 × 89,949.66
  4. Step 4: Simplify right side
    165,401.16x = 20,531,332,464.30
  5. Step 5: Solve for x
    x = 20,531,332,464.30/165,401.16
  6. Step 6: Final answer
    x = 124,130.53

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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.