Home / 270,890.25-373,827.61-156,168.35

Finding the Fourth Proportional to 270,890.25, 373,827.61 and 156,168.35

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Solution

The fourth proportional to 270,890.25, 373,827.61 and 156,168.35 is: 215,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,890.25 : 373,827.61 = 156,168.35 : x
  2. Step 2: Convert to fraction form
    270,890.25/373,827.61 = 156,168.35/x
  3. Step 3: Cross multiply
    270,890.25x = 373,827.61 × 156,168.35
  4. Step 4: Simplify right side
    270,890.25x = 58,380,038,778.58
  5. Step 5: Solve for x
    x = 58,380,038,778.58/270,890.25
  6. Step 6: Final answer
    x = 215,511.78

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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.