Home / 356,107.08-491,429.22-194,977.13

Finding the Fourth Proportional to 356,107.08, 491,429.22 and 194,977.13

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Solution

The fourth proportional to 356,107.08, 491,429.22 and 194,977.13 is: 269,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,107.08 : 491,429.22 = 194,977.13 : x
  2. Step 2: Convert to fraction form
    356,107.08/491,429.22 = 194,977.13/x
  3. Step 3: Cross multiply
    356,107.08x = 491,429.22 × 194,977.13
  4. Step 4: Simplify right side
    356,107.08x = 95,817,458,913.74
  5. Step 5: Solve for x
    x = 95,817,458,913.74/356,107.08
  6. Step 6: Final answer
    x = 269,069.23

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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.