Home / 141,453.30-195,201.64-77,791.10

Finding the Fourth Proportional to 141,453.30, 195,201.64 and 77,791.10

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Solution

The fourth proportional to 141,453.30, 195,201.64 and 77,791.10 is: 107,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.30 : 195,201.64 = 77,791.10 : x
  2. Step 2: Convert to fraction form
    141,453.30/195,201.64 = 77,791.10/x
  3. Step 3: Cross multiply
    141,453.30x = 195,201.64 × 77,791.10
  4. Step 4: Simplify right side
    141,453.30x = 15,184,950,297.40
  5. Step 5: Solve for x
    x = 15,184,950,297.40/141,453.30
  6. Step 6: Final answer
    x = 107,349.57

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1.5x scale

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.