Home / 134,110.67-185,072.97-73,680.80

Finding the Fourth Proportional to 134,110.67, 185,072.97 and 73,680.80

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Solution

The fourth proportional to 134,110.67, 185,072.97 and 73,680.80 is: 101,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,110.67 : 185,072.97 = 73,680.80 : x
  2. Step 2: Convert to fraction form
    134,110.67/185,072.97 = 73,680.80/x
  3. Step 3: Cross multiply
    134,110.67x = 185,072.97 × 73,680.80
  4. Step 4: Simplify right side
    134,110.67x = 13,636,323,562.61
  5. Step 5: Solve for x
    x = 13,636,323,562.61/134,110.67
  6. Step 6: Final answer
    x = 101,679.64

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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.