Home / 318,557.31-439,545.37-182,633.90

Finding the Fourth Proportional to 318,557.31, 439,545.37 and 182,633.90

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Solution

The fourth proportional to 318,557.31, 439,545.37 and 182,633.90 is: 251,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,557.31 : 439,545.37 = 182,633.90 : x
  2. Step 2: Convert to fraction form
    318,557.31/439,545.37 = 182,633.90/x
  3. Step 3: Cross multiply
    318,557.31x = 439,545.37 × 182,633.90
  4. Step 4: Simplify right side
    318,557.31x = 80,275,882,495.73
  5. Step 5: Solve for x
    x = 80,275,882,495.73/318,557.31
  6. Step 6: Final answer
    x = 251,998.24

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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.