Home / 282,011.96-389,177.14-161,152.95

Finding the Fourth Proportional to 282,011.96, 389,177.14 and 161,152.95

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Solution

The fourth proportional to 282,011.96, 389,177.14 and 161,152.95 is: 222,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,011.96 : 389,177.14 = 161,152.95 : x
  2. Step 2: Convert to fraction form
    282,011.96/389,177.14 = 161,152.95/x
  3. Step 3: Cross multiply
    282,011.96x = 389,177.14 × 161,152.95
  4. Step 4: Simplify right side
    282,011.96x = 62,717,044,183.56
  5. Step 5: Solve for x
    x = 62,717,044,183.56/282,011.96
  6. Step 6: Final answer
    x = 222,391.43

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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.