Home / 269,301.12-403,965.54-69,623.24

Finding the Fourth Proportional to 269,301.12, 403,965.54 and 69,623.24

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Solution

The fourth proportional to 269,301.12, 403,965.54 and 69,623.24 is: 104,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,301.12 : 403,965.54 = 69,623.24 : x
  2. Step 2: Convert to fraction form
    269,301.12/403,965.54 = 69,623.24/x
  3. Step 3: Cross multiply
    269,301.12x = 403,965.54 × 69,623.24
  4. Step 4: Simplify right side
    269,301.12x = 28,125,387,723.32
  5. Step 5: Solve for x
    x = 28,125,387,723.32/269,301.12
  6. Step 6: Final answer
    x = 104,438.44

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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.