Home / 141,220.26-194,887.35-77,559.39

Finding the Fourth Proportional to 141,220.26, 194,887.35 and 77,559.39

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Solution

The fourth proportional to 141,220.26, 194,887.35 and 77,559.39 is: 107,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,220.26 : 194,887.35 = 77,559.39 : x
  2. Step 2: Convert to fraction form
    141,220.26/194,887.35 = 77,559.39/x
  3. Step 3: Cross multiply
    141,220.26x = 194,887.35 × 77,559.39
  4. Step 4: Simplify right side
    141,220.26x = 15,115,343,984.72
  5. Step 5: Solve for x
    x = 15,115,343,984.72/141,220.26
  6. Step 6: Final answer
    x = 107,033.82

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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.