Home / 356,154.03-491,490.73-195,006.15

Finding the Fourth Proportional to 356,154.03, 491,490.73 and 195,006.15

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Solution

The fourth proportional to 356,154.03, 491,490.73 and 195,006.15 is: 269,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,154.03 : 491,490.73 = 195,006.15 : x
  2. Step 2: Convert to fraction form
    356,154.03/491,490.73 = 195,006.15/x
  3. Step 3: Cross multiply
    356,154.03x = 491,490.73 × 195,006.15
  4. Step 4: Simplify right side
    356,154.03x = 95,843,715,017.99
  5. Step 5: Solve for x
    x = 95,843,715,017.99/356,154.03
  6. Step 6: Final answer
    x = 269,107.48

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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.