Home / 204,048.05-281,505.51-117,991.22

Finding the Fourth Proportional to 204,048.05, 281,505.51 and 117,991.22

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Solution

The fourth proportional to 204,048.05, 281,505.51 and 117,991.22 is: 162,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,048.05 : 281,505.51 = 117,991.22 : x
  2. Step 2: Convert to fraction form
    204,048.05/281,505.51 = 117,991.22/x
  3. Step 3: Cross multiply
    204,048.05x = 281,505.51 × 117,991.22
  4. Step 4: Simplify right side
    204,048.05x = 33,215,177,154.09
  5. Step 5: Solve for x
    x = 33,215,177,154.09/204,048.05
  6. Step 6: Final answer
    x = 162,781.16

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1.5x scale

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.