Home / 194,480.31-268,456.64-130,855.02

Finding the Fourth Proportional to 194,480.31, 268,456.64 and 130,855.02

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Solution

The fourth proportional to 194,480.31, 268,456.64 and 130,855.02 is: 180,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,480.31 : 268,456.64 = 130,855.02 : x
  2. Step 2: Convert to fraction form
    194,480.31/268,456.64 = 130,855.02/x
  3. Step 3: Cross multiply
    194,480.31x = 268,456.64 × 130,855.02
  4. Step 4: Simplify right side
    194,480.31x = 35,128,898,996.33
  5. Step 5: Solve for x
    x = 35,128,898,996.33/194,480.31
  6. Step 6: Final answer
    x = 180,629.59

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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.