Home / 141,453.22-195,201.56-77,791.02

Finding the Fourth Proportional to 141,453.22, 195,201.56 and 77,791.02

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Solution

The fourth proportional to 141,453.22, 195,201.56 and 77,791.02 is: 107,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.22 : 195,201.56 = 77,791.02 : x
  2. Step 2: Convert to fraction form
    141,453.22/195,201.56 = 77,791.02/x
  3. Step 3: Cross multiply
    141,453.22x = 195,201.56 × 77,791.02
  4. Step 4: Simplify right side
    141,453.22x = 15,184,928,457.99
  5. Step 5: Solve for x
    x = 15,184,928,457.99/141,453.22
  6. Step 6: Final answer
    x = 107,349.47

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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.