Home / 135,577.34-187,107.94-75,166.94

Finding the Fourth Proportional to 135,577.34, 187,107.94 and 75,166.94

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Solution

The fourth proportional to 135,577.34, 187,107.94 and 75,166.94 is: 103,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,577.34 : 187,107.94 = 75,166.94 : x
  2. Step 2: Convert to fraction form
    135,577.34/187,107.94 = 75,166.94/x
  3. Step 3: Cross multiply
    135,577.34x = 187,107.94 × 75,166.94
  4. Step 4: Simplify right side
    135,577.34x = 14,064,331,299.50
  5. Step 5: Solve for x
    x = 14,064,331,299.50/135,577.34
  6. Step 6: Final answer
    x = 103,736.59

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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.