Home / 178,777.82-268,265.22-108,706.34

Finding the Fourth Proportional to 178,777.82, 268,265.22 and 108,706.34

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Solution

The fourth proportional to 178,777.82, 268,265.22 and 108,706.34 is: 163,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,777.82 : 268,265.22 = 108,706.34 : x
  2. Step 2: Convert to fraction form
    178,777.82/268,265.22 = 108,706.34/x
  3. Step 3: Cross multiply
    178,777.82x = 268,265.22 × 108,706.34
  4. Step 4: Simplify right side
    178,777.82x = 29,162,130,215.49
  5. Step 5: Solve for x
    x = 29,162,130,215.49/178,777.82
  6. Step 6: Final answer
    x = 163,119.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.