Home / 127,586.96-191,409.56-38,853.04

Finding the Fourth Proportional to 127,586.96, 191,409.56 and 38,853.04

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Solution

The fourth proportional to 127,586.96, 191,409.56 and 38,853.04 is: 58,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,586.96 : 191,409.56 = 38,853.04 : x
  2. Step 2: Convert to fraction form
    127,586.96/191,409.56 = 38,853.04/x
  3. Step 3: Cross multiply
    127,586.96x = 191,409.56 × 38,853.04
  4. Step 4: Simplify right side
    127,586.96x = 7,436,843,291.06
  5. Step 5: Solve for x
    x = 7,436,843,291.06/127,586.96
  6. Step 6: Final answer
    x = 58,288.43

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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.