Home / 271,490.06-405,030.62-256,793.42

Finding the Fourth Proportional to 271,490.06, 405,030.62 and 256,793.42

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Solution

The fourth proportional to 271,490.06, 405,030.62 and 256,793.42 is: 383,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,490.06 : 405,030.62 = 256,793.42 : x
  2. Step 2: Convert to fraction form
    271,490.06/405,030.62 = 256,793.42/x
  3. Step 3: Cross multiply
    271,490.06x = 405,030.62 × 256,793.42
  4. Step 4: Simplify right side
    271,490.06x = 104,009,198,114.52
  5. Step 5: Solve for x
    x = 104,009,198,114.52/271,490.06
  6. Step 6: Final answer
    x = 383,105.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.