Home / 125,528.70-173,229.38-68,940.06

Finding the Fourth Proportional to 125,528.70, 173,229.38 and 68,940.06

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Solution

The fourth proportional to 125,528.70, 173,229.38 and 68,940.06 is: 95,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.70 : 173,229.38 = 68,940.06 : x
  2. Step 2: Convert to fraction form
    125,528.70/173,229.38 = 68,940.06/x
  3. Step 3: Cross multiply
    125,528.70x = 173,229.38 × 68,940.06
  4. Step 4: Simplify right side
    125,528.70x = 11,942,443,850.96
  5. Step 5: Solve for x
    x = 11,942,443,850.96/125,528.70
  6. Step 6: Final answer
    x = 95,137.16

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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.