Home / 131,003.73-196,543.87-42,255.27

Finding the Fourth Proportional to 131,003.73, 196,543.87 and 42,255.27

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Solution

The fourth proportional to 131,003.73, 196,543.87 and 42,255.27 is: 63,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,003.73 : 196,543.87 = 42,255.27 : x
  2. Step 2: Convert to fraction form
    131,003.73/196,543.87 = 42,255.27/x
  3. Step 3: Cross multiply
    131,003.73x = 196,543.87 × 42,255.27
  4. Step 4: Simplify right side
    131,003.73x = 8,305,014,188.06
  5. Step 5: Solve for x
    x = 8,305,014,188.06/131,003.73
  6. Step 6: Final answer
    x = 63,395.25

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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.