Home / 282,694.29-389,942.39-167,890.12

Finding the Fourth Proportional to 282,694.29, 389,942.39 and 167,890.12

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Solution

The fourth proportional to 282,694.29, 389,942.39 and 167,890.12 is: 231,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,694.29 : 389,942.39 = 167,890.12 : x
  2. Step 2: Convert to fraction form
    282,694.29/389,942.39 = 167,890.12/x
  3. Step 3: Cross multiply
    282,694.29x = 389,942.39 × 167,890.12
  4. Step 4: Simplify right side
    282,694.29x = 65,467,474,095.06
  5. Step 5: Solve for x
    x = 65,467,474,095.06/282,694.29
  6. Step 6: Final answer
    x = 231,584.00

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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.