Home / 150,696.08-207,956.48-82,712.96

Finding the Fourth Proportional to 150,696.08, 207,956.48 and 82,712.96

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Solution

The fourth proportional to 150,696.08, 207,956.48 and 82,712.96 is: 114,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,696.08 : 207,956.48 = 82,712.96 : x
  2. Step 2: Convert to fraction form
    150,696.08/207,956.48 = 82,712.96/x
  3. Step 3: Cross multiply
    150,696.08x = 207,956.48 × 82,712.96
  4. Step 4: Simplify right side
    150,696.08x = 17,200,696,011.98
  5. Step 5: Solve for x
    x = 17,200,696,011.98/150,696.08
  6. Step 6: Final answer
    x = 114,141.63

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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.