Home / 148,329.82-222,339.21-69,377.50

Finding the Fourth Proportional to 148,329.82, 222,339.21 and 69,377.50

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Solution

The fourth proportional to 148,329.82, 222,339.21 and 69,377.50 is: 103,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,329.82 : 222,339.21 = 69,377.50 : x
  2. Step 2: Convert to fraction form
    148,329.82/222,339.21 = 69,377.50/x
  3. Step 3: Cross multiply
    148,329.82x = 222,339.21 × 69,377.50
  4. Step 4: Simplify right side
    148,329.82x = 15,425,338,541.78
  5. Step 5: Solve for x
    x = 15,425,338,541.78/148,329.82
  6. Step 6: Final answer
    x = 103,993.51

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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.