Home / 318,429.85-439,433.17-175,186.81

Finding the Fourth Proportional to 318,429.85, 439,433.17 and 175,186.81

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Solution

The fourth proportional to 318,429.85, 439,433.17 and 175,186.81 is: 241,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,429.85 : 439,433.17 = 175,186.81 : x
  2. Step 2: Convert to fraction form
    318,429.85/439,433.17 = 175,186.81/x
  3. Step 3: Cross multiply
    318,429.85x = 439,433.17 × 175,186.81
  4. Step 4: Simplify right side
    318,429.85x = 76,982,895,260.49
  5. Step 5: Solve for x
    x = 76,982,895,260.49/318,429.85
  6. Step 6: Final answer
    x = 241,757.79

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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.