Home / 127,568.25-191,360.48-38,828.30

Finding the Fourth Proportional to 127,568.25, 191,360.48 and 38,828.30

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Solution

The fourth proportional to 127,568.25, 191,360.48 and 38,828.30 is: 58,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568.25 : 191,360.48 = 38,828.30 : x
  2. Step 2: Convert to fraction form
    127,568.25/191,360.48 = 38,828.30/x
  3. Step 3: Cross multiply
    127,568.25x = 191,360.48 × 38,828.30
  4. Step 4: Simplify right side
    127,568.25x = 7,430,200,974.64
  5. Step 5: Solve for x
    x = 7,430,200,974.64/127,568.25
  6. Step 6: Final answer
    x = 58,244.91

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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.