Home / 156,634.93-215,992.75-92,960.43

Finding the Fourth Proportional to 156,634.93, 215,992.75 and 92,960.43

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Solution

The fourth proportional to 156,634.93, 215,992.75 and 92,960.43 is: 128,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.93 : 215,992.75 = 92,960.43 : x
  2. Step 2: Convert to fraction form
    156,634.93/215,992.75 = 92,960.43/x
  3. Step 3: Cross multiply
    156,634.93x = 215,992.75 × 92,960.43
  4. Step 4: Simplify right side
    156,634.93x = 20,078,778,916.88
  5. Step 5: Solve for x
    x = 20,078,778,916.88/156,634.93
  6. Step 6: Final answer
    x = 128,188.39

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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.