Home / 125,533.89-173,236.23-68,172.75

Finding the Fourth Proportional to 125,533.89, 173,236.23 and 68,172.75

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Solution

The fourth proportional to 125,533.89, 173,236.23 and 68,172.75 is: 94,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,533.89 : 173,236.23 = 68,172.75 : x
  2. Step 2: Convert to fraction form
    125,533.89/173,236.23 = 68,172.75/x
  3. Step 3: Cross multiply
    125,533.89x = 173,236.23 × 68,172.75
  4. Step 4: Simplify right side
    125,533.89x = 11,809,990,198.73
  5. Step 5: Solve for x
    x = 11,809,990,198.73/125,533.89
  6. Step 6: Final answer
    x = 94,078.10

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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.