Home / 268,669.20-403,003.80-189,937.20

Finding the Fourth Proportional to 268,669.20, 403,003.80 and 189,937.20

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Solution

The fourth proportional to 268,669.20, 403,003.80 and 189,937.20 is: 284,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,669.20 : 403,003.80 = 189,937.20 : x
  2. Step 2: Convert to fraction form
    268,669.20/403,003.80 = 189,937.20/x
  3. Step 3: Cross multiply
    268,669.20x = 403,003.80 × 189,937.20
  4. Step 4: Simplify right side
    268,669.20x = 76,545,413,361.36
  5. Step 5: Solve for x
    x = 76,545,413,361.36/268,669.20
  6. Step 6: Final answer
    x = 284,905.80

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1.5x scale

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.