Home / 282,110.70-389,309.72-154,786.26

Finding the Fourth Proportional to 282,110.70, 389,309.72 and 154,786.26

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Solution

The fourth proportional to 282,110.70, 389,309.72 and 154,786.26 is: 213,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,110.70 : 389,309.72 = 154,786.26 : x
  2. Step 2: Convert to fraction form
    282,110.70/389,309.72 = 154,786.26/x
  3. Step 3: Cross multiply
    282,110.70x = 389,309.72 × 154,786.26
  4. Step 4: Simplify right side
    282,110.70x = 60,259,794,766.52
  5. Step 5: Solve for x
    x = 60,259,794,766.52/282,110.70
  6. Step 6: Final answer
    x = 213,603.36

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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.