Home / 171,582.31-257,377.20-120,773.71

Finding the Fourth Proportional to 171,582.31, 257,377.20 and 120,773.71

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Solution

The fourth proportional to 171,582.31, 257,377.20 and 120,773.71 is: 181,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,582.31 : 257,377.20 = 120,773.71 : x
  2. Step 2: Convert to fraction form
    171,582.31/257,377.20 = 120,773.71/x
  3. Step 3: Cross multiply
    171,582.31x = 257,377.20 × 120,773.71
  4. Step 4: Simplify right side
    171,582.31x = 31,084,399,313.41
  5. Step 5: Solve for x
    x = 31,084,399,313.41/171,582.31
  6. Step 6: Final answer
    x = 181,163.19

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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.