Home / 135,962.70-187,625.16-75,533.50

Finding the Fourth Proportional to 135,962.70, 187,625.16 and 75,533.50

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Solution

The fourth proportional to 135,962.70, 187,625.16 and 75,533.50 is: 104,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,962.70 : 187,625.16 = 75,533.50 : x
  2. Step 2: Convert to fraction form
    135,962.70/187,625.16 = 75,533.50/x
  3. Step 3: Cross multiply
    135,962.70x = 187,625.16 × 75,533.50
  4. Step 4: Simplify right side
    135,962.70x = 14,171,985,022.86
  5. Step 5: Solve for x
    x = 14,171,985,022.86/135,962.70
  6. Step 6: Final answer
    x = 104,234.36

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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.