Home / 148,324.32-222,330.96-69,372

Finding the Fourth Proportional to 148,324.32, 222,330.96 and 69,372

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Solution

The fourth proportional to 148,324.32, 222,330.96 and 69,372 is: 103,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,324.32 : 222,330.96 = 69,372 : x
  2. Step 2: Convert to fraction form
    148,324.32/222,330.96 = 69,372/x
  3. Step 3: Cross multiply
    148,324.32x = 222,330.96 × 69,372
  4. Step 4: Simplify right side
    148,324.32x = 15,423,543,357.12
  5. Step 5: Solve for x
    x = 15,423,543,357.12/148,324.32
  6. Step 6: Final answer
    x = 103,985.26

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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.