Home / 269,207.40-403,665.30-111,451.80

Finding the Fourth Proportional to 269,207.40, 403,665.30 and 111,451.80

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Solution

The fourth proportional to 269,207.40, 403,665.30 and 111,451.80 is: 167,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,207.40 : 403,665.30 = 111,451.80 : x
  2. Step 2: Convert to fraction form
    269,207.40/403,665.30 = 111,451.80/x
  3. Step 3: Cross multiply
    269,207.40x = 403,665.30 × 111,451.80
  4. Step 4: Simplify right side
    269,207.40x = 44,989,224,282.54
  5. Step 5: Solve for x
    x = 44,989,224,282.54/269,207.40
  6. Step 6: Final answer
    x = 167,117.34

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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.