Home / 194,482.17-268,388.28-108,438.62

Finding the Fourth Proportional to 194,482.17, 268,388.28 and 108,438.62

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Solution

The fourth proportional to 194,482.17, 268,388.28 and 108,438.62 is: 149,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,482.17 : 268,388.28 = 108,438.62 : x
  2. Step 2: Convert to fraction form
    194,482.17/268,388.28 = 108,438.62/x
  3. Step 3: Cross multiply
    194,482.17x = 268,388.28 × 108,438.62
  4. Step 4: Simplify right side
    194,482.17x = 29,103,653,365.43
  5. Step 5: Solve for x
    x = 29,103,653,365.43/194,482.17
  6. Step 6: Final answer
    x = 149,646.90

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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.