Home / 194,505.22-268,421.95-108,463.38

Finding the Fourth Proportional to 194,505.22, 268,421.95 and 108,463.38

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Solution

The fourth proportional to 194,505.22, 268,421.95 and 108,463.38 is: 149,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,505.22 : 268,421.95 = 108,463.38 : x
  2. Step 2: Convert to fraction form
    194,505.22/268,421.95 = 108,463.38/x
  3. Step 3: Cross multiply
    194,505.22x = 268,421.95 × 108,463.38
  4. Step 4: Simplify right side
    194,505.22x = 29,113,951,963.19
  5. Step 5: Solve for x
    x = 29,113,951,963.19/194,505.22
  6. Step 6: Final answer
    x = 149,682.11

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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.