Home / 134,754.19-185,961.62-74,326.43

Finding the Fourth Proportional to 134,754.19, 185,961.62 and 74,326.43

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Solution

The fourth proportional to 134,754.19, 185,961.62 and 74,326.43 is: 102,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,754.19 : 185,961.62 = 74,326.43 : x
  2. Step 2: Convert to fraction form
    134,754.19/185,961.62 = 74,326.43/x
  3. Step 3: Cross multiply
    134,754.19x = 185,961.62 × 74,326.43
  4. Step 4: Simplify right side
    134,754.19x = 13,821,863,982.34
  5. Step 5: Solve for x
    x = 13,821,863,982.34/134,754.19
  6. Step 6: Final answer
    x = 102,570.94

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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.