Home / 161,205.70-222,446.20-93,212.38

Finding the Fourth Proportional to 161,205.70, 222,446.20 and 93,212.38

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Solution

The fourth proportional to 161,205.70, 222,446.20 and 93,212.38 is: 128,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,205.70 : 222,446.20 = 93,212.38 : x
  2. Step 2: Convert to fraction form
    161,205.70/222,446.20 = 93,212.38/x
  3. Step 3: Cross multiply
    161,205.70x = 222,446.20 × 93,212.38
  4. Step 4: Simplify right side
    161,205.70x = 20,734,739,768.98
  5. Step 5: Solve for x
    x = 20,734,739,768.98/161,205.70
  6. Step 6: Final answer
    x = 128,622.87

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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.