Home / 148,329.32-222,338.46-69,377

Finding the Fourth Proportional to 148,329.32, 222,338.46 and 69,377

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Solution

The fourth proportional to 148,329.32, 222,338.46 and 69,377 is: 103,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,329.32 : 222,338.46 = 69,377 : x
  2. Step 2: Convert to fraction form
    148,329.32/222,338.46 = 69,377/x
  3. Step 3: Cross multiply
    148,329.32x = 222,338.46 × 69,377
  4. Step 4: Simplify right side
    148,329.32x = 15,425,175,339.42
  5. Step 5: Solve for x
    x = 15,425,175,339.42/148,329.32
  6. Step 6: Final answer
    x = 103,992.76

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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.