Home / 292,121.12-403,145.94-164,793.98

Finding the Fourth Proportional to 292,121.12, 403,145.94 and 164,793.98

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Solution

The fourth proportional to 292,121.12, 403,145.94 and 164,793.98 is: 227,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,121.12 : 403,145.94 = 164,793.98 : x
  2. Step 2: Convert to fraction form
    292,121.12/403,145.94 = 164,793.98/x
  3. Step 3: Cross multiply
    292,121.12x = 403,145.94 × 164,793.98
  4. Step 4: Simplify right side
    292,121.12x = 66,436,023,973.44
  5. Step 5: Solve for x
    x = 66,436,023,973.44/292,121.12
  6. Step 6: Final answer
    x = 227,426.29

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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.