Home / 125,913.02-173,843.69-96,789.78

Finding the Fourth Proportional to 125,913.02, 173,843.69 and 96,789.78

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Solution

The fourth proportional to 125,913.02, 173,843.69 and 96,789.78 is: 133,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,913.02 : 173,843.69 = 96,789.78 : x
  2. Step 2: Convert to fraction form
    125,913.02/173,843.69 = 96,789.78/x
  3. Step 3: Cross multiply
    125,913.02x = 173,843.69 × 96,789.78
  4. Step 4: Simplify right side
    125,913.02x = 16,826,292,099.55
  5. Step 5: Solve for x
    x = 16,826,292,099.55/125,913.02
  6. Step 6: Final answer
    x = 133,634.25

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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.