Home / 127,129.02-190,721.88-41,743.68

Finding the Fourth Proportional to 127,129.02, 190,721.88 and 41,743.68

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Solution

The fourth proportional to 127,129.02, 190,721.88 and 41,743.68 is: 62,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,129.02 : 190,721.88 = 41,743.68 : x
  2. Step 2: Convert to fraction form
    127,129.02/190,721.88 = 41,743.68/x
  3. Step 3: Cross multiply
    127,129.02x = 190,721.88 × 41,743.68
  4. Step 4: Simplify right side
    127,129.02x = 7,961,433,127.72
  5. Step 5: Solve for x
    x = 7,961,433,127.72/127,129.02
  6. Step 6: Final answer
    x = 62,624.83

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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.