Home / 127,189.71-190,804.05-41,773.68

Finding the Fourth Proportional to 127,189.71, 190,804.05 and 41,773.68

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Solution

The fourth proportional to 127,189.71, 190,804.05 and 41,773.68 is: 62,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,189.71 : 190,804.05 = 41,773.68 : x
  2. Step 2: Convert to fraction form
    127,189.71/190,804.05 = 41,773.68/x
  3. Step 3: Cross multiply
    127,189.71x = 190,804.05 × 41,773.68
  4. Step 4: Simplify right side
    127,189.71x = 7,970,587,327.40
  5. Step 5: Solve for x
    x = 7,970,587,327.40/127,189.71
  6. Step 6: Final answer
    x = 62,666.92

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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.