Home / 148,669.53-222,954.31-53,879.87

Finding the Fourth Proportional to 148,669.53, 222,954.31 and 53,879.87

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Solution

The fourth proportional to 148,669.53, 222,954.31 and 53,879.87 is: 80,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,669.53 : 222,954.31 = 53,879.87 : x
  2. Step 2: Convert to fraction form
    148,669.53/222,954.31 = 53,879.87/x
  3. Step 3: Cross multiply
    148,669.53x = 222,954.31 × 53,879.87
  4. Step 4: Simplify right side
    148,669.53x = 12,012,748,609.36
  5. Step 5: Solve for x
    x = 12,012,748,609.36/148,669.53
  6. Step 6: Final answer
    x = 80,801.69

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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.