Home / 191,182.53-263,844.80-126,540.42

Finding the Fourth Proportional to 191,182.53, 263,844.80 and 126,540.42

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Solution

The fourth proportional to 191,182.53, 263,844.80 and 126,540.42 is: 174,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,182.53 : 263,844.80 = 126,540.42 : x
  2. Step 2: Convert to fraction form
    191,182.53/263,844.80 = 126,540.42/x
  3. Step 3: Cross multiply
    191,182.53x = 263,844.80 × 126,540.42
  4. Step 4: Simplify right side
    191,182.53x = 33,387,031,174.11
  5. Step 5: Solve for x
    x = 33,387,031,174.11/191,182.53
  6. Step 6: Final answer
    x = 174,634.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.