Home / 136,166.47-187,905.22-75,735.41

Finding the Fourth Proportional to 136,166.47, 187,905.22 and 75,735.41

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Solution

The fourth proportional to 136,166.47, 187,905.22 and 75,735.41 is: 104,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,166.47 : 187,905.22 = 75,735.41 : x
  2. Step 2: Convert to fraction form
    136,166.47/187,905.22 = 75,735.41/x
  3. Step 3: Cross multiply
    136,166.47x = 187,905.22 × 75,735.41
  4. Step 4: Simplify right side
    136,166.47x = 14,231,077,748.98
  5. Step 5: Solve for x
    x = 14,231,077,748.98/136,166.47
  6. Step 6: Final answer
    x = 104,512.35

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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.