Home / 269,209.37-403,713.48-89,261.80

Finding the Fourth Proportional to 269,209.37, 403,713.48 and 89,261.80

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Solution

The fourth proportional to 269,209.37, 403,713.48 and 89,261.80 is: 133,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,209.37 : 403,713.48 = 89,261.80 : x
  2. Step 2: Convert to fraction form
    269,209.37/403,713.48 = 89,261.80/x
  3. Step 3: Cross multiply
    269,209.37x = 403,713.48 × 89,261.80
  4. Step 4: Simplify right side
    269,209.37x = 36,036,191,234.51
  5. Step 5: Solve for x
    x = 36,036,191,234.51/269,209.37
  6. Step 6: Final answer
    x = 133,859.35

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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.