Home / 165,647.57-228,535.43-108,320.45

Finding the Fourth Proportional to 165,647.57, 228,535.43 and 108,320.45

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Solution

The fourth proportional to 165,647.57, 228,535.43 and 108,320.45 is: 149,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,647.57 : 228,535.43 = 108,320.45 : x
  2. Step 2: Convert to fraction form
    165,647.57/228,535.43 = 108,320.45/x
  3. Step 3: Cross multiply
    165,647.57x = 228,535.43 × 108,320.45
  4. Step 4: Simplify right side
    165,647.57x = 24,755,058,934.26
  5. Step 5: Solve for x
    x = 24,755,058,934.26/165,647.57
  6. Step 6: Final answer
    x = 149,444.15

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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.