Home / 135,625.35-187,155.48-75,192.46

Finding the Fourth Proportional to 135,625.35, 187,155.48 and 75,192.46

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Solution

The fourth proportional to 135,625.35, 187,155.48 and 75,192.46 is: 103,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,625.35 : 187,155.48 = 75,192.46 : x
  2. Step 2: Convert to fraction form
    135,625.35/187,155.48 = 75,192.46/x
  3. Step 3: Cross multiply
    135,625.35x = 187,155.48 × 75,192.46
  4. Step 4: Simplify right side
    135,625.35x = 14,072,680,943.68
  5. Step 5: Solve for x
    x = 14,072,680,943.68/135,625.35
  6. Step 6: Final answer
    x = 103,761.44

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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.