Home / 125,511.36-173,198.88-68,913.60

Finding the Fourth Proportional to 125,511.36, 173,198.88 and 68,913.60

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Solution

The fourth proportional to 125,511.36, 173,198.88 and 68,913.60 is: 95,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,511.36 : 173,198.88 = 68,913.60 : x
  2. Step 2: Convert to fraction form
    125,511.36/173,198.88 = 68,913.60/x
  3. Step 3: Cross multiply
    125,511.36x = 173,198.88 × 68,913.60
  4. Step 4: Simplify right side
    125,511.36x = 11,935,758,336.77
  5. Step 5: Solve for x
    x = 11,935,758,336.77/125,511.36
  6. Step 6: Final answer
    x = 95,097.04

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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.