Home / 165,056.21-227,777.79-89,604.71

Finding the Fourth Proportional to 165,056.21, 227,777.79 and 89,604.71

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Solution

The fourth proportional to 165,056.21, 227,777.79 and 89,604.71 is: 123,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,056.21 : 227,777.79 = 89,604.71 : x
  2. Step 2: Convert to fraction form
    165,056.21/227,777.79 = 89,604.71/x
  3. Step 3: Cross multiply
    165,056.21x = 227,777.79 × 89,604.71
  4. Step 4: Simplify right side
    165,056.21x = 20,409,961,678.50
  5. Step 5: Solve for x
    x = 20,409,961,678.50/165,056.21
  6. Step 6: Final answer
    x = 123,654.62

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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.