Home / 123,391.25-185,086.89-40,285.25

Finding the Fourth Proportional to 123,391.25, 185,086.89 and 40,285.25

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Solution

The fourth proportional to 123,391.25, 185,086.89 and 40,285.25 is: 60,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,391.25 : 185,086.89 = 40,285.25 : x
  2. Step 2: Convert to fraction form
    123,391.25/185,086.89 = 40,285.25/x
  3. Step 3: Cross multiply
    123,391.25x = 185,086.89 × 40,285.25
  4. Step 4: Simplify right side
    123,391.25x = 7,456,271,635.37
  5. Step 5: Solve for x
    x = 7,456,271,635.37/123,391.25
  6. Step 6: Final answer
    x = 60,427.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.