Home / 132,946.10-199,360.77-49,781.78

Finding the Fourth Proportional to 132,946.10, 199,360.77 and 49,781.78

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Solution

The fourth proportional to 132,946.10, 199,360.77 and 49,781.78 is: 74,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,946.10 : 199,360.77 = 49,781.78 : x
  2. Step 2: Convert to fraction form
    132,946.10/199,360.77 = 49,781.78/x
  3. Step 3: Cross multiply
    132,946.10x = 199,360.77 × 49,781.78
  4. Step 4: Simplify right side
    132,946.10x = 9,924,533,992.77
  5. Step 5: Solve for x
    x = 9,924,533,992.77/132,946.10
  6. Step 6: Final answer
    x = 74,650.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.