Home / 286,017.26-394,702.66-156,957.86

Finding the Fourth Proportional to 286,017.26, 394,702.66 and 156,957.86

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Solution

The fourth proportional to 286,017.26, 394,702.66 and 156,957.86 is: 216,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,017.26 : 394,702.66 = 156,957.86 : x
  2. Step 2: Convert to fraction form
    286,017.26/394,702.66 = 156,957.86/x
  3. Step 3: Cross multiply
    286,017.26x = 394,702.66 × 156,957.86
  4. Step 4: Simplify right side
    286,017.26x = 61,951,684,849.91
  5. Step 5: Solve for x
    x = 61,951,684,849.91/286,017.26
  6. Step 6: Final answer
    x = 216,601.21

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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.