Home / 282,339.18-389,577.24-159,830.73

Finding the Fourth Proportional to 282,339.18, 389,577.24 and 159,830.73

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Solution

The fourth proportional to 282,339.18, 389,577.24 and 159,830.73 is: 220,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,339.18 : 389,577.24 = 159,830.73 : x
  2. Step 2: Convert to fraction form
    282,339.18/389,577.24 = 159,830.73/x
  3. Step 3: Cross multiply
    282,339.18x = 389,577.24 × 159,830.73
  4. Step 4: Simplify right side
    282,339.18x = 62,266,414,660.59
  5. Step 5: Solve for x
    x = 62,266,414,660.59/282,339.18
  6. Step 6: Final answer
    x = 220,537.63

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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.