Home / 134,151.82-185,117.48-73,721.78

Finding the Fourth Proportional to 134,151.82, 185,117.48 and 73,721.78

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Solution

The fourth proportional to 134,151.82, 185,117.48 and 73,721.78 is: 101,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,151.82 : 185,117.48 = 73,721.78 : x
  2. Step 2: Convert to fraction form
    134,151.82/185,117.48 = 73,721.78/x
  3. Step 3: Cross multiply
    134,151.82x = 185,117.48 × 73,721.78
  4. Step 4: Simplify right side
    134,151.82x = 13,647,190,134.71
  5. Step 5: Solve for x
    x = 13,647,190,134.71/134,151.82
  6. Step 6: Final answer
    x = 101,729.44

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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.