Home / 148,933.80-223,400.70-133,900.20

Finding the Fourth Proportional to 148,933.80, 223,400.70 and 133,900.20

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Solution

The fourth proportional to 148,933.80, 223,400.70 and 133,900.20 is: 200,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,933.80 : 223,400.70 = 133,900.20 : x
  2. Step 2: Convert to fraction form
    148,933.80/223,400.70 = 133,900.20/x
  3. Step 3: Cross multiply
    148,933.80x = 223,400.70 × 133,900.20
  4. Step 4: Simplify right side
    148,933.80x = 29,913,398,410.14
  5. Step 5: Solve for x
    x = 29,913,398,410.14/148,933.80
  6. Step 6: Final answer
    x = 200,850.30

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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.