Home / 194,550.66-268,479.36-108,509.76

Finding the Fourth Proportional to 194,550.66, 268,479.36 and 108,509.76

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Solution

The fourth proportional to 194,550.66, 268,479.36 and 108,509.76 is: 149,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,550.66 : 268,479.36 = 108,509.76 : x
  2. Step 2: Convert to fraction form
    194,550.66/268,479.36 = 108,509.76/x
  3. Step 3: Cross multiply
    194,550.66x = 268,479.36 × 108,509.76
  4. Step 4: Simplify right side
    194,550.66x = 29,132,630,918.55
  5. Step 5: Solve for x
    x = 29,132,630,918.55/194,550.66
  6. Step 6: Final answer
    x = 149,743.16

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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.