Home / 127,743.82-176,291.91-71,155.22

Finding the Fourth Proportional to 127,743.82, 176,291.91 and 71,155.22

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Solution

The fourth proportional to 127,743.82, 176,291.91 and 71,155.22 is: 98,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.82 : 176,291.91 = 71,155.22 : x
  2. Step 2: Convert to fraction form
    127,743.82/176,291.91 = 71,155.22/x
  3. Step 3: Cross multiply
    127,743.82x = 176,291.91 × 71,155.22
  4. Step 4: Simplify right side
    127,743.82x = 12,544,089,640.27
  5. Step 5: Solve for x
    x = 12,544,089,640.27/127,743.82
  6. Step 6: Final answer
    x = 98,197.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.