Home / 127,745.09-191,640.15-52,823.26

Finding the Fourth Proportional to 127,745.09, 191,640.15 and 52,823.26

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Solution

The fourth proportional to 127,745.09, 191,640.15 and 52,823.26 is: 79,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.09 : 191,640.15 = 52,823.26 : x
  2. Step 2: Convert to fraction form
    127,745.09/191,640.15 = 52,823.26/x
  3. Step 3: Cross multiply
    127,745.09x = 191,640.15 × 52,823.26
  4. Step 4: Simplify right side
    127,745.09x = 10,123,056,247.57
  5. Step 5: Solve for x
    x = 10,123,056,247.57/127,745.09
  6. Step 6: Final answer
    x = 79,244.19

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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.