Home / 356,410.16-491,846.40-193,067.04

Finding the Fourth Proportional to 356,410.16, 491,846.40 and 193,067.04

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Solution

The fourth proportional to 356,410.16, 491,846.40 and 193,067.04 is: 266,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,410.16 : 491,846.40 = 193,067.04 : x
  2. Step 2: Convert to fraction form
    356,410.16/491,846.40 = 193,067.04/x
  3. Step 3: Cross multiply
    356,410.16x = 491,846.40 × 193,067.04
  4. Step 4: Simplify right side
    356,410.16x = 94,959,327,617.32
  5. Step 5: Solve for x
    x = 94,959,327,617.32/356,410.16
  6. Step 6: Final answer
    x = 266,432.72

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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.