Home / 165,496.28-228,385.32-90,044.78

Finding the Fourth Proportional to 165,496.28, 228,385.32 and 90,044.78

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Solution

The fourth proportional to 165,496.28, 228,385.32 and 90,044.78 is: 124,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,496.28 : 228,385.32 = 90,044.78 : x
  2. Step 2: Convert to fraction form
    165,496.28/228,385.32 = 90,044.78/x
  3. Step 3: Cross multiply
    165,496.28x = 228,385.32 × 90,044.78
  4. Step 4: Simplify right side
    165,496.28x = 20,564,905,894.63
  5. Step 5: Solve for x
    x = 20,564,905,894.63/165,496.28
  6. Step 6: Final answer
    x = 124,262.04

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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.