Home / 286,011.06-394,694.19-156,951.69

Finding the Fourth Proportional to 286,011.06, 394,694.19 and 156,951.69

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Solution

The fourth proportional to 286,011.06, 394,694.19 and 156,951.69 is: 216,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,011.06 : 394,694.19 = 156,951.69 : x
  2. Step 2: Convert to fraction form
    286,011.06/394,694.19 = 156,951.69/x
  3. Step 3: Cross multiply
    286,011.06x = 394,694.19 × 156,951.69
  4. Step 4: Simplify right side
    286,011.06x = 61,947,920,153.68
  5. Step 5: Solve for x
    x = 61,947,920,153.68/286,011.06
  6. Step 6: Final answer
    x = 216,592.74

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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.