Home / 148,019.77-222,102.55-69,122.53

Finding the Fourth Proportional to 148,019.77, 222,102.55 and 69,122.53

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Solution

The fourth proportional to 148,019.77, 222,102.55 and 69,122.53 is: 103,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,019.77 : 222,102.55 = 69,122.53 : x
  2. Step 2: Convert to fraction form
    148,019.77/222,102.55 = 69,122.53/x
  3. Step 3: Cross multiply
    148,019.77x = 222,102.55 × 69,122.53
  4. Step 4: Simplify right side
    148,019.77x = 15,352,289,706.60
  5. Step 5: Solve for x
    x = 15,352,289,706.60/148,019.77
  6. Step 6: Final answer
    x = 103,717.83

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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.