Home / 148,121.24-222,139.44-48,290.13

Finding the Fourth Proportional to 148,121.24, 222,139.44 and 48,290.13

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Solution

The fourth proportional to 148,121.24, 222,139.44 and 48,290.13 is: 72,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,121.24 : 222,139.44 = 48,290.13 : x
  2. Step 2: Convert to fraction form
    148,121.24/222,139.44 = 48,290.13/x
  3. Step 3: Cross multiply
    148,121.24x = 222,139.44 × 48,290.13
  4. Step 4: Simplify right side
    148,121.24x = 10,727,142,435.73
  5. Step 5: Solve for x
    x = 10,727,142,435.73/148,121.24
  6. Step 6: Final answer
    x = 72,421.37

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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.