Home / 119,297.31-178,967.61-49,138.35

Finding the Fourth Proportional to 119,297.31, 178,967.61 and 49,138.35

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Solution

The fourth proportional to 119,297.31, 178,967.61 and 49,138.35 is: 73,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,297.31 : 178,967.61 = 49,138.35 : x
  2. Step 2: Convert to fraction form
    119,297.31/178,967.61 = 49,138.35/x
  3. Step 3: Cross multiply
    119,297.31x = 178,967.61 × 49,138.35
  4. Step 4: Simplify right side
    119,297.31x = 8,794,173,058.84
  5. Step 5: Solve for x
    x = 8,794,173,058.84/119,297.31
  6. Step 6: Final answer
    x = 73,716.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.