Home / 201,631.82-302,244.42-126,805.44

Finding the Fourth Proportional to 201,631.82, 302,244.42 and 126,805.44

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Solution

The fourth proportional to 201,631.82, 302,244.42 and 126,805.44 is: 190,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,631.82 : 302,244.42 = 126,805.44 : x
  2. Step 2: Convert to fraction form
    201,631.82/302,244.42 = 126,805.44/x
  3. Step 3: Cross multiply
    201,631.82x = 302,244.42 × 126,805.44
  4. Step 4: Simplify right side
    201,631.82x = 38,326,236,665.64
  5. Step 5: Solve for x
    x = 38,326,236,665.64/201,631.82
  6. Step 6: Final answer
    x = 190,080.30

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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.