Home / 194,579.44-268,519.80-105,155.44

Finding the Fourth Proportional to 194,579.44, 268,519.80 and 105,155.44

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Solution

The fourth proportional to 194,579.44, 268,519.80 and 105,155.44 is: 145,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,579.44 : 268,519.80 = 105,155.44 : x
  2. Step 2: Convert to fraction form
    194,579.44/268,519.80 = 105,155.44/x
  3. Step 3: Cross multiply
    194,579.44x = 268,519.80 × 105,155.44
  4. Step 4: Simplify right side
    194,579.44x = 28,236,317,717.71
  5. Step 5: Solve for x
    x = 28,236,317,717.71/194,579.44
  6. Step 6: Final answer
    x = 145,114.60

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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.