Home / 127,498.08-191,245.56-57,327.84

Finding the Fourth Proportional to 127,498.08, 191,245.56 and 57,327.84

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Solution

The fourth proportional to 127,498.08, 191,245.56 and 57,327.84 is: 85,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,498.08 : 191,245.56 = 57,327.84 : x
  2. Step 2: Convert to fraction form
    127,498.08/191,245.56 = 57,327.84/x
  3. Step 3: Cross multiply
    127,498.08x = 191,245.56 × 57,327.84
  4. Step 4: Simplify right side
    127,498.08x = 10,963,694,864.39
  5. Step 5: Solve for x
    x = 10,963,694,864.39/127,498.08
  6. Step 6: Final answer
    x = 85,991.06

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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.