Home / 194,686.38-268,663.50-109,803.42

Finding the Fourth Proportional to 194,686.38, 268,663.50 and 109,803.42

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Solution

The fourth proportional to 194,686.38, 268,663.50 and 109,803.42 is: 151,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,686.38 : 268,663.50 = 109,803.42 : x
  2. Step 2: Convert to fraction form
    194,686.38/268,663.50 = 109,803.42/x
  3. Step 3: Cross multiply
    194,686.38x = 268,663.50 × 109,803.42
  4. Step 4: Simplify right side
    194,686.38x = 29,500,171,129.17
  5. Step 5: Solve for x
    x = 29,500,171,129.17/194,686.38
  6. Step 6: Final answer
    x = 151,526.63

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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.