Home / 286,766.16-395,747.46-157,714.61

Finding the Fourth Proportional to 286,766.16, 395,747.46 and 157,714.61

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Solution

The fourth proportional to 286,766.16, 395,747.46 and 157,714.61 is: 217,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,766.16 : 395,747.46 = 157,714.61 : x
  2. Step 2: Convert to fraction form
    286,766.16/395,747.46 = 157,714.61/x
  3. Step 3: Cross multiply
    286,766.16x = 395,747.46 × 157,714.61
  4. Step 4: Simplify right side
    286,766.16x = 62,415,156,487.17
  5. Step 5: Solve for x
    x = 62,415,156,487.17/286,766.16
  6. Step 6: Final answer
    x = 217,651.75

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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.