Home / 148,538.30-222,709.05-82,010.30

Finding the Fourth Proportional to 148,538.30, 222,709.05 and 82,010.30

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Solution

The fourth proportional to 148,538.30, 222,709.05 and 82,010.30 is: 122,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,538.30 : 222,709.05 = 82,010.30 : x
  2. Step 2: Convert to fraction form
    148,538.30/222,709.05 = 82,010.30/x
  3. Step 3: Cross multiply
    148,538.30x = 222,709.05 × 82,010.30
  4. Step 4: Simplify right side
    148,538.30x = 18,264,436,003.22
  5. Step 5: Solve for x
    x = 18,264,436,003.22/148,538.30
  6. Step 6: Final answer
    x = 122,961.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.