Home / 171,399.20-256,958.51-64,722.62

Finding the Fourth Proportional to 171,399.20, 256,958.51 and 64,722.62

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Solution

The fourth proportional to 171,399.20, 256,958.51 and 64,722.62 is: 97,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,399.20 : 256,958.51 = 64,722.62 : x
  2. Step 2: Convert to fraction form
    171,399.20/256,958.51 = 64,722.62/x
  3. Step 3: Cross multiply
    171,399.20x = 256,958.51 × 64,722.62
  4. Step 4: Simplify right side
    171,399.20x = 16,631,028,317.28
  5. Step 5: Solve for x
    x = 16,631,028,317.28/171,399.20
  6. Step 6: Final answer
    x = 97,030.96

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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.