Home / 135,280.40-202,946.10-41,764.28

Finding the Fourth Proportional to 135,280.40, 202,946.10 and 41,764.28

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Solution

The fourth proportional to 135,280.40, 202,946.10 and 41,764.28 is: 62,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,280.40 : 202,946.10 = 41,764.28 : x
  2. Step 2: Convert to fraction form
    135,280.40/202,946.10 = 41,764.28/x
  3. Step 3: Cross multiply
    135,280.40x = 202,946.10 × 41,764.28
  4. Step 4: Simplify right side
    135,280.40x = 8,475,897,745.31
  5. Step 5: Solve for x
    x = 8,475,897,745.31/135,280.40
  6. Step 6: Final answer
    x = 62,654.29

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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.