Home / 403,569.27-605,439.29-133,682.13

Finding the Fourth Proportional to 403,569.27, 605,439.29 and 133,682.13

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Solution

The fourth proportional to 403,569.27, 605,439.29 and 133,682.13 is: 200,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,569.27 : 605,439.29 = 133,682.13 : x
  2. Step 2: Convert to fraction form
    403,569.27/605,439.29 = 133,682.13/x
  3. Step 3: Cross multiply
    403,569.27x = 605,439.29 × 133,682.13
  4. Step 4: Simplify right side
    403,569.27x = 80,936,410,177.28
  5. Step 5: Solve for x
    x = 80,936,410,177.28/403,569.27
  6. Step 6: Final answer
    x = 200,551.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.