Home / 165,701.14-228,670.23-90,249.64

Finding the Fourth Proportional to 165,701.14, 228,670.23 and 90,249.64

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Solution

The fourth proportional to 165,701.14, 228,670.23 and 90,249.64 is: 124,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,701.14 : 228,670.23 = 90,249.64 : x
  2. Step 2: Convert to fraction form
    165,701.14/228,670.23 = 90,249.64/x
  3. Step 3: Cross multiply
    165,701.14x = 228,670.23 × 90,249.64
  4. Step 4: Simplify right side
    165,701.14x = 20,637,405,936.22
  5. Step 5: Solve for x
    x = 20,637,405,936.22/165,701.14
  6. Step 6: Final answer
    x = 124,545.95

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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.