Home / 165,454.74-228,329.82-90,003.24

Finding the Fourth Proportional to 165,454.74, 228,329.82 and 90,003.24

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Solution

The fourth proportional to 165,454.74, 228,329.82 and 90,003.24 is: 124,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,454.74 : 228,329.82 = 90,003.24 : x
  2. Step 2: Convert to fraction form
    165,454.74/228,329.82 = 90,003.24/x
  3. Step 3: Cross multiply
    165,454.74x = 228,329.82 × 90,003.24
  4. Step 4: Simplify right side
    165,454.74x = 20,550,423,588.62
  5. Step 5: Solve for x
    x = 20,550,423,588.62/165,454.74
  6. Step 6: Final answer
    x = 124,205.71

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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.