Home / 204,135.23-281,681.99-113,479.58

Finding the Fourth Proportional to 204,135.23, 281,681.99 and 113,479.58

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Solution

The fourth proportional to 204,135.23, 281,681.99 and 113,479.58 is: 156,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,135.23 : 281,681.99 = 113,479.58 : x
  2. Step 2: Convert to fraction form
    204,135.23/281,681.99 = 113,479.58/x
  3. Step 3: Cross multiply
    204,135.23x = 281,681.99 × 113,479.58
  4. Step 4: Simplify right side
    204,135.23x = 31,965,153,918.76
  5. Step 5: Solve for x
    x = 31,965,153,918.76/204,135.23
  6. Step 6: Final answer
    x = 156,588.13

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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.