Home / 194,521.11-268,433.78-108,482.70

Finding the Fourth Proportional to 194,521.11, 268,433.78 and 108,482.70

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Solution

The fourth proportional to 194,521.11, 268,433.78 and 108,482.70 is: 149,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,521.11 : 268,433.78 = 108,482.70 : x
  2. Step 2: Convert to fraction form
    194,521.11/268,433.78 = 108,482.70/x
  3. Step 3: Cross multiply
    194,521.11x = 268,433.78 × 108,482.70
  4. Step 4: Simplify right side
    194,521.11x = 29,120,421,689.82
  5. Step 5: Solve for x
    x = 29,120,421,689.82/194,521.11
  6. Step 6: Final answer
    x = 149,703.15

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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.