Home / 318,331.31-439,359.62-182,456.34

Finding the Fourth Proportional to 318,331.31, 439,359.62 and 182,456.34

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Solution

The fourth proportional to 318,331.31, 439,359.62 and 182,456.34 is: 251,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,331.31 : 439,359.62 = 182,456.34 : x
  2. Step 2: Convert to fraction form
    318,331.31/439,359.62 = 182,456.34/x
  3. Step 3: Cross multiply
    318,331.31x = 439,359.62 × 182,456.34
  4. Step 4: Simplify right side
    318,331.31x = 80,163,947,296.71
  5. Step 5: Solve for x
    x = 80,163,947,296.71/318,331.31
  6. Step 6: Final answer
    x = 251,825.52

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1.5x scale

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.