Home / 356,153.03-491,489.36-195,005.15

Finding the Fourth Proportional to 356,153.03, 491,489.36 and 195,005.15

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Solution

The fourth proportional to 356,153.03, 491,489.36 and 195,005.15 is: 269,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,153.03 : 491,489.36 = 195,005.15 : x
  2. Step 2: Convert to fraction form
    356,153.03/491,489.36 = 195,005.15/x
  3. Step 3: Cross multiply
    356,153.03x = 491,489.36 × 195,005.15
  4. Step 4: Simplify right side
    356,153.03x = 95,842,952,937.73
  5. Step 5: Solve for x
    x = 95,842,952,937.73/356,153.03
  6. Step 6: Final answer
    x = 269,106.10

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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.