Home / 204,837.21-282,515.11-133,240.10

Finding the Fourth Proportional to 204,837.21, 282,515.11 and 133,240.10

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Solution

The fourth proportional to 204,837.21, 282,515.11 and 133,240.10 is: 183,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,837.21 : 282,515.11 = 133,240.10 : x
  2. Step 2: Convert to fraction form
    204,837.21/282,515.11 = 133,240.10/x
  3. Step 3: Cross multiply
    204,837.21x = 282,515.11 × 133,240.10
  4. Step 4: Simplify right side
    204,837.21x = 37,642,339,762.24
  5. Step 5: Solve for x
    x = 37,642,339,762.24/204,837.21
  6. Step 6: Final answer
    x = 183,767.10

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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.