Home / 286,640.68-395,545.86-159,308.52

Finding the Fourth Proportional to 286,640.68, 395,545.86 and 159,308.52

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Solution

The fourth proportional to 286,640.68, 395,545.86 and 159,308.52 is: 219,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,640.68 : 395,545.86 = 159,308.52 : x
  2. Step 2: Convert to fraction form
    286,640.68/395,545.86 = 159,308.52/x
  3. Step 3: Cross multiply
    286,640.68x = 395,545.86 × 159,308.52
  4. Step 4: Simplify right side
    286,640.68x = 63,013,825,548.73
  5. Step 5: Solve for x
    x = 63,013,825,548.73/286,640.68
  6. Step 6: Final answer
    x = 219,835.60

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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.