Home / 127,279.72-175,724.94-82,035.64

Finding the Fourth Proportional to 127,279.72, 175,724.94 and 82,035.64

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Solution

The fourth proportional to 127,279.72, 175,724.94 and 82,035.64 is: 113,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.72 : 175,724.94 = 82,035.64 : x
  2. Step 2: Convert to fraction form
    127,279.72/175,724.94 = 82,035.64/x
  3. Step 3: Cross multiply
    127,279.72x = 175,724.94 × 82,035.64
  4. Step 4: Simplify right side
    127,279.72x = 14,415,707,916.86
  5. Step 5: Solve for x
    x = 14,415,707,916.86/127,279.72
  6. Step 6: Final answer
    x = 113,260.05

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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.