Home / 269,258.28-403,693.02-82,167.72

Finding the Fourth Proportional to 269,258.28, 403,693.02 and 82,167.72

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Solution

The fourth proportional to 269,258.28, 403,693.02 and 82,167.72 is: 123,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,258.28 : 403,693.02 = 82,167.72 : x
  2. Step 2: Convert to fraction form
    269,258.28/403,693.02 = 82,167.72/x
  3. Step 3: Cross multiply
    269,258.28x = 403,693.02 × 82,167.72
  4. Step 4: Simplify right side
    269,258.28x = 33,170,535,033.31
  5. Step 5: Solve for x
    x = 33,170,535,033.31/269,258.28
  6. Step 6: Final answer
    x = 123,192.26

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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.