Home / 194,778.47-268,794.56-109,903.43

Finding the Fourth Proportional to 194,778.47, 268,794.56 and 109,903.43

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Solution

The fourth proportional to 194,778.47, 268,794.56 and 109,903.43 is: 151,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,778.47 : 268,794.56 = 109,903.43 : x
  2. Step 2: Convert to fraction form
    194,778.47/268,794.56 = 109,903.43/x
  3. Step 3: Cross multiply
    194,778.47x = 268,794.56 × 109,903.43
  4. Step 4: Simplify right side
    194,778.47x = 29,541,445,056.09
  5. Step 5: Solve for x
    x = 29,541,445,056.09/194,778.47
  6. Step 6: Final answer
    x = 151,666.89

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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.