Home / 194,614.64-268,567.80-109,731.20

Finding the Fourth Proportional to 194,614.64, 268,567.80 and 109,731.20

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Solution

The fourth proportional to 194,614.64, 268,567.80 and 109,731.20 is: 151,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,614.64 : 268,567.80 = 109,731.20 : x
  2. Step 2: Convert to fraction form
    194,614.64/268,567.80 = 109,731.20/x
  3. Step 3: Cross multiply
    194,614.64x = 268,567.80 × 109,731.20
  4. Step 4: Simplify right side
    194,614.64x = 29,470,266,975.36
  5. Step 5: Solve for x
    x = 29,470,266,975.36/194,614.64
  6. Step 6: Final answer
    x = 151,428.83

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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.