Home / 148,055.49-222,181.65-69,175.87

Finding the Fourth Proportional to 148,055.49, 222,181.65 and 69,175.87

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Solution

The fourth proportional to 148,055.49, 222,181.65 and 69,175.87 is: 103,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,055.49 : 222,181.65 = 69,175.87 : x
  2. Step 2: Convert to fraction form
    148,055.49/222,181.65 = 69,175.87/x
  3. Step 3: Cross multiply
    148,055.49x = 222,181.65 × 69,175.87
  4. Step 4: Simplify right side
    148,055.49x = 15,369,608,381.33
  5. Step 5: Solve for x
    x = 15,369,608,381.33/148,055.49
  6. Step 6: Final answer
    x = 103,809.78

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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.