Home / 202,226.90-279,023.40-123,625.04

Finding the Fourth Proportional to 202,226.90, 279,023.40 and 123,625.04

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Solution

The fourth proportional to 202,226.90, 279,023.40 and 123,625.04 is: 170,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,226.90 : 279,023.40 = 123,625.04 : x
  2. Step 2: Convert to fraction form
    202,226.90/279,023.40 = 123,625.04/x
  3. Step 3: Cross multiply
    202,226.90x = 279,023.40 × 123,625.04
  4. Step 4: Simplify right side
    202,226.90x = 34,494,277,590.82
  5. Step 5: Solve for x
    x = 34,494,277,590.82/202,226.90
  6. Step 6: Final answer
    x = 170,572.16

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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.