Home / 127,319.27-190,974.05-43,085.75

Finding the Fourth Proportional to 127,319.27, 190,974.05 and 43,085.75

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Solution

The fourth proportional to 127,319.27, 190,974.05 and 43,085.75 is: 64,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.27 : 190,974.05 = 43,085.75 : x
  2. Step 2: Convert to fraction form
    127,319.27/190,974.05 = 43,085.75/x
  3. Step 3: Cross multiply
    127,319.27x = 190,974.05 × 43,085.75
  4. Step 4: Simplify right side
    127,319.27x = 8,228,259,959.36
  5. Step 5: Solve for x
    x = 8,228,259,959.36/127,319.27
  6. Step 6: Final answer
    x = 64,626.98

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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.