Home / 318,429.97-439,433.34-175,186.94

Finding the Fourth Proportional to 318,429.97, 439,433.34 and 175,186.94

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Solution

The fourth proportional to 318,429.97, 439,433.34 and 175,186.94 is: 241,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,429.97 : 439,433.34 = 175,186.94 : x
  2. Step 2: Convert to fraction form
    318,429.97/439,433.34 = 175,186.94/x
  3. Step 3: Cross multiply
    318,429.97x = 439,433.34 × 175,186.94
  4. Step 4: Simplify right side
    318,429.97x = 76,982,982,168.58
  5. Step 5: Solve for x
    x = 76,982,982,168.58/318,429.97
  6. Step 6: Final answer
    x = 241,757.97

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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.