Home / 194,579.15-268,531.56-109,701.68

Finding the Fourth Proportional to 194,579.15, 268,531.56 and 109,701.68

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Solution

The fourth proportional to 194,579.15, 268,531.56 and 109,701.68 is: 151,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,579.15 : 268,531.56 = 109,701.68 : x
  2. Step 2: Convert to fraction form
    194,579.15/268,531.56 = 109,701.68/x
  3. Step 3: Cross multiply
    194,579.15x = 268,531.56 × 109,701.68
  4. Step 4: Simplify right side
    194,579.15x = 29,458,361,922.36
  5. Step 5: Solve for x
    x = 29,458,361,922.36/194,579.15
  6. Step 6: Final answer
    x = 151,395.27

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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.