Home / 136,414.72-188,257.01-79,054.16

Finding the Fourth Proportional to 136,414.72, 188,257.01 and 79,054.16

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Solution

The fourth proportional to 136,414.72, 188,257.01 and 79,054.16 is: 109,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,414.72 : 188,257.01 = 79,054.16 : x
  2. Step 2: Convert to fraction form
    136,414.72/188,257.01 = 79,054.16/x
  3. Step 3: Cross multiply
    136,414.72x = 188,257.01 × 79,054.16
  4. Step 4: Simplify right side
    136,414.72x = 14,882,499,956.73
  5. Step 5: Solve for x
    x = 14,882,499,956.73/136,414.72
  6. Step 6: Final answer
    x = 109,097.47

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1.5x scale

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.