Home / 134,745.66-185,949.27-74,314.62

Finding the Fourth Proportional to 134,745.66, 185,949.27 and 74,314.62

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Solution

The fourth proportional to 134,745.66, 185,949.27 and 74,314.62 is: 102,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.66 : 185,949.27 = 74,314.62 : x
  2. Step 2: Convert to fraction form
    134,745.66/185,949.27 = 74,314.62/x
  3. Step 3: Cross multiply
    134,745.66x = 185,949.27 × 74,314.62
  4. Step 4: Simplify right side
    134,745.66x = 13,818,749,339.33
  5. Step 5: Solve for x
    x = 13,818,749,339.33/134,745.66
  6. Step 6: Final answer
    x = 102,554.32

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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.