Home / 269,264.28-403,702.02-82,173.72

Finding the Fourth Proportional to 269,264.28, 403,702.02 and 82,173.72

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Solution

The fourth proportional to 269,264.28, 403,702.02 and 82,173.72 is: 123,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,264.28 : 403,702.02 = 82,173.72 : x
  2. Step 2: Convert to fraction form
    269,264.28/403,702.02 = 82,173.72/x
  3. Step 3: Cross multiply
    269,264.28x = 403,702.02 × 82,173.72
  4. Step 4: Simplify right side
    269,264.28x = 33,173,696,754.91
  5. Step 5: Solve for x
    x = 33,173,696,754.91/269,264.28
  6. Step 6: Final answer
    x = 123,201.25

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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.