Home / 165,701.40-228,670.44-90,249.84

Finding the Fourth Proportional to 165,701.40, 228,670.44 and 90,249.84

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Solution

The fourth proportional to 165,701.40, 228,670.44 and 90,249.84 is: 124,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,701.40 : 228,670.44 = 90,249.84 : x
  2. Step 2: Convert to fraction form
    165,701.40/228,670.44 = 90,249.84/x
  3. Step 3: Cross multiply
    165,701.40x = 228,670.44 × 90,249.84
  4. Step 4: Simplify right side
    165,701.40x = 20,637,470,622.73
  5. Step 5: Solve for x
    x = 20,637,470,622.73/165,701.40
  6. Step 6: Final answer
    x = 124,546.15

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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.