Home / 282,166.68-389,401.25-154,846.83

Finding the Fourth Proportional to 282,166.68, 389,401.25 and 154,846.83

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Solution

The fourth proportional to 282,166.68, 389,401.25 and 154,846.83 is: 213,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,166.68 : 389,401.25 = 154,846.83 : x
  2. Step 2: Convert to fraction form
    282,166.68/389,401.25 = 154,846.83/x
  3. Step 3: Cross multiply
    282,166.68x = 389,401.25 × 154,846.83
  4. Step 4: Simplify right side
    282,166.68x = 60,297,549,160.54
  5. Step 5: Solve for x
    x = 60,297,549,160.54/282,166.68
  6. Step 6: Final answer
    x = 213,694.79

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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.