Home / 141,221.52-194,887.24-77,559.32

Finding the Fourth Proportional to 141,221.52, 194,887.24 and 77,559.32

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Solution

The fourth proportional to 141,221.52, 194,887.24 and 77,559.32 is: 107,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,221.52 : 194,887.24 = 77,559.32 : x
  2. Step 2: Convert to fraction form
    141,221.52/194,887.24 = 77,559.32/x
  3. Step 3: Cross multiply
    141,221.52x = 194,887.24 × 77,559.32
  4. Step 4: Simplify right side
    141,221.52x = 15,115,322,104.40
  5. Step 5: Solve for x
    x = 15,115,322,104.40/141,221.52
  6. Step 6: Final answer
    x = 107,032.71

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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.