Home / 194,518.11-268,436.51-108,482.64

Finding the Fourth Proportional to 194,518.11, 268,436.51 and 108,482.64

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Solution

The fourth proportional to 194,518.11, 268,436.51 and 108,482.64 is: 149,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,518.11 : 268,436.51 = 108,482.64 : x
  2. Step 2: Convert to fraction form
    194,518.11/268,436.51 = 108,482.64/x
  3. Step 3: Cross multiply
    194,518.11x = 268,436.51 × 108,482.64
  4. Step 4: Simplify right side
    194,518.11x = 29,120,700,734.77
  5. Step 5: Solve for x
    x = 29,120,700,734.77/194,518.11
  6. Step 6: Final answer
    x = 149,706.89

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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.