Home / 165,226.32-228,012.92-89,774.82

Finding the Fourth Proportional to 165,226.32, 228,012.92 and 89,774.82

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Solution

The fourth proportional to 165,226.32, 228,012.92 and 89,774.82 is: 123,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,226.32 : 228,012.92 = 89,774.82 : x
  2. Step 2: Convert to fraction form
    165,226.32/228,012.92 = 89,774.82/x
  3. Step 3: Cross multiply
    165,226.32x = 228,012.92 × 89,774.82
  4. Step 4: Simplify right side
    165,226.32x = 20,469,818,401.80
  5. Step 5: Solve for x
    x = 20,469,818,401.80/165,226.32
  6. Step 6: Final answer
    x = 123,889.57

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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.