Home / 127,724.22-191,586.21-60,240.51

Finding the Fourth Proportional to 127,724.22, 191,586.21 and 60,240.51

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Solution

The fourth proportional to 127,724.22, 191,586.21 and 60,240.51 is: 90,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,724.22 : 191,586.21 = 60,240.51 : x
  2. Step 2: Convert to fraction form
    127,724.22/191,586.21 = 60,240.51/x
  3. Step 3: Cross multiply
    127,724.22x = 191,586.21 × 60,240.51
  4. Step 4: Simplify right side
    127,724.22x = 11,541,250,999.37
  5. Step 5: Solve for x
    x = 11,541,250,999.37/127,724.22
  6. Step 6: Final answer
    x = 90,360.71

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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.