Home / 253,127.43-380,380.91-134,883.27

Finding the Fourth Proportional to 253,127.43, 380,380.91 and 134,883.27

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Solution

The fourth proportional to 253,127.43, 380,380.91 and 134,883.27 is: 202,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,127.43 : 380,380.91 = 134,883.27 : x
  2. Step 2: Convert to fraction form
    253,127.43/380,380.91 = 134,883.27/x
  3. Step 3: Cross multiply
    253,127.43x = 380,380.91 × 134,883.27
  4. Step 4: Simplify right side
    253,127.43x = 51,307,020,311.96
  5. Step 5: Solve for x
    x = 51,307,020,311.96/253,127.43
  6. Step 6: Final answer
    x = 202,692.46

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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.