Home / 125,500.50-173,191.91-68,913.09

Finding the Fourth Proportional to 125,500.50, 173,191.91 and 68,913.09

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Solution

The fourth proportional to 125,500.50, 173,191.91 and 68,913.09 is: 95,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500.50 : 173,191.91 = 68,913.09 : x
  2. Step 2: Convert to fraction form
    125,500.50/173,191.91 = 68,913.09/x
  3. Step 3: Cross multiply
    125,500.50x = 173,191.91 × 68,913.09
  4. Step 4: Simplify right side
    125,500.50x = 11,935,189,336.54
  5. Step 5: Solve for x
    x = 11,935,189,336.54/125,500.50
  6. Step 6: Final answer
    x = 95,100.73

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1.5x scale

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.