Home / 177,777.18-266,374.17-107,676.54

Finding the Fourth Proportional to 177,777.18, 266,374.17 and 107,676.54

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Solution

The fourth proportional to 177,777.18, 266,374.17 and 107,676.54 is: 161,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,777.18 : 266,374.17 = 107,676.54 : x
  2. Step 2: Convert to fraction form
    177,777.18/266,374.17 = 107,676.54/x
  3. Step 3: Cross multiply
    177,777.18x = 266,374.17 × 107,676.54
  4. Step 4: Simplify right side
    177,777.18x = 28,682,248,970.97
  5. Step 5: Solve for x
    x = 28,682,248,970.97/177,777.18
  6. Step 6: Final answer
    x = 161,338.19

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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.