Home / 134,729.23-185,923.89-74,305.49

Finding the Fourth Proportional to 134,729.23, 185,923.89 and 74,305.49

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Solution

The fourth proportional to 134,729.23, 185,923.89 and 74,305.49 is: 102,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729.23 : 185,923.89 = 74,305.49 : x
  2. Step 2: Convert to fraction form
    134,729.23/185,923.89 = 74,305.49/x
  3. Step 3: Cross multiply
    134,729.23x = 185,923.89 × 74,305.49
  4. Step 4: Simplify right side
    134,729.23x = 13,815,165,377.63
  5. Step 5: Solve for x
    x = 13,815,165,377.63/134,729.23
  6. Step 6: Final answer
    x = 102,540.22

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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.