Home / 318,331.12-439,359.36-182,456.15

Finding the Fourth Proportional to 318,331.12, 439,359.36 and 182,456.15

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Solution

The fourth proportional to 318,331.12, 439,359.36 and 182,456.15 is: 251,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,331.12 : 439,359.36 = 182,456.15 : x
  2. Step 2: Convert to fraction form
    318,331.12/439,359.36 = 182,456.15/x
  3. Step 3: Cross multiply
    318,331.12x = 439,359.36 × 182,456.15
  4. Step 4: Simplify right side
    318,331.12x = 80,163,816,882.46
  5. Step 5: Solve for x
    x = 80,163,816,882.46/318,331.12
  6. Step 6: Final answer
    x = 251,825.26

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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.