Home / 194,688.38-268,666.26-109,805.42

Finding the Fourth Proportional to 194,688.38, 268,666.26 and 109,805.42

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Solution

The fourth proportional to 194,688.38, 268,666.26 and 109,805.42 is: 151,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,688.38 : 268,666.26 = 109,805.42 : x
  2. Step 2: Convert to fraction form
    194,688.38/268,666.26 = 109,805.42/x
  3. Step 3: Cross multiply
    194,688.38x = 268,666.26 × 109,805.42
  4. Step 4: Simplify right side
    194,688.38x = 29,501,011,519.13
  5. Step 5: Solve for x
    x = 29,501,011,519.13/194,688.38
  6. Step 6: Final answer
    x = 151,529.39

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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.