Home / 148,225.80-204,551.67-80,242.78

Finding the Fourth Proportional to 148,225.80, 204,551.67 and 80,242.78

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Solution

The fourth proportional to 148,225.80, 204,551.67 and 80,242.78 is: 110,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,225.80 : 204,551.67 = 80,242.78 : x
  2. Step 2: Convert to fraction form
    148,225.80/204,551.67 = 80,242.78/x
  3. Step 3: Cross multiply
    148,225.80x = 204,551.67 × 80,242.78
  4. Step 4: Simplify right side
    148,225.80x = 16,413,793,631.68
  5. Step 5: Solve for x
    x = 16,413,793,631.68/148,225.80
  6. Step 6: Final answer
    x = 110,735.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.