Home / 379,111.40-568,656.09-154,416.27

Finding the Fourth Proportional to 379,111.40, 568,656.09 and 154,416.27

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Solution

The fourth proportional to 379,111.40, 568,656.09 and 154,416.27 is: 231,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,111.40 : 568,656.09 = 154,416.27 : x
  2. Step 2: Convert to fraction form
    379,111.40/568,656.09 = 154,416.27/x
  3. Step 3: Cross multiply
    379,111.40x = 568,656.09 × 154,416.27
  4. Step 4: Simplify right side
    379,111.40x = 87,809,752,330.58
  5. Step 5: Solve for x
    x = 87,809,752,330.58/379,111.40
  6. Step 6: Final answer
    x = 231,619.92

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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.