Home / 119,257.11-178,921.44-48,143.16

Finding the Fourth Proportional to 119,257.11, 178,921.44 and 48,143.16

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Solution

The fourth proportional to 119,257.11, 178,921.44 and 48,143.16 is: 72,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,257.11 : 178,921.44 = 48,143.16 : x
  2. Step 2: Convert to fraction form
    119,257.11/178,921.44 = 48,143.16/x
  3. Step 3: Cross multiply
    119,257.11x = 178,921.44 × 48,143.16
  4. Step 4: Simplify right side
    119,257.11x = 8,613,843,513.35
  5. Step 5: Solve for x
    x = 8,613,843,513.35/119,257.11
  6. Step 6: Final answer
    x = 72,229.18

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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.