Home / 318,398.04-439,392.94-182,429.26

Finding the Fourth Proportional to 318,398.04, 439,392.94 and 182,429.26

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Solution

The fourth proportional to 318,398.04, 439,392.94 and 182,429.26 is: 251,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,398.04 : 439,392.94 = 182,429.26 : x
  2. Step 2: Convert to fraction form
    318,398.04/439,392.94 = 182,429.26/x
  3. Step 3: Cross multiply
    318,398.04x = 439,392.94 × 182,429.26
  4. Step 4: Simplify right side
    318,398.04x = 80,158,126,882.80
  5. Step 5: Solve for x
    x = 80,158,126,882.80/318,398.04
  6. Step 6: Final answer
    x = 251,754.46

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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.