Home / 282,286.61-389,545.43-159,776.36

Finding the Fourth Proportional to 282,286.61, 389,545.43 and 159,776.36

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Solution

The fourth proportional to 282,286.61, 389,545.43 and 159,776.36 is: 220,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,286.61 : 389,545.43 = 159,776.36 : x
  2. Step 2: Convert to fraction form
    282,286.61/389,545.43 = 159,776.36/x
  3. Step 3: Cross multiply
    282,286.61x = 389,545.43 × 159,776.36
  4. Step 4: Simplify right side
    282,286.61x = 62,240,150,860.03
  5. Step 5: Solve for x
    x = 62,240,150,860.03/282,286.61
  6. Step 6: Final answer
    x = 220,485.66

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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.