Home / 117,873.20-176,669.16-82,140.96

Finding the Fourth Proportional to 117,873.20, 176,669.16 and 82,140.96

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Solution

The fourth proportional to 117,873.20, 176,669.16 and 82,140.96 is: 123,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,873.20 : 176,669.16 = 82,140.96 : x
  2. Step 2: Convert to fraction form
    117,873.20/176,669.16 = 82,140.96/x
  3. Step 3: Cross multiply
    117,873.20x = 176,669.16 × 82,140.96
  4. Step 4: Simplify right side
    117,873.20x = 14,511,774,404.79
  5. Step 5: Solve for x
    x = 14,511,774,404.79/117,873.20
  6. Step 6: Final answer
    x = 123,113.43

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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.