Home / 141,481.63-195,240.53-77,819.41

Finding the Fourth Proportional to 141,481.63, 195,240.53 and 77,819.41

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Solution

The fourth proportional to 141,481.63, 195,240.53 and 77,819.41 is: 107,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.63 : 195,240.53 = 77,819.41 : x
  2. Step 2: Convert to fraction form
    141,481.63/195,240.53 = 77,819.41/x
  3. Step 3: Cross multiply
    141,481.63x = 195,240.53 × 77,819.41
  4. Step 4: Simplify right side
    141,481.63x = 15,193,502,559.13
  5. Step 5: Solve for x
    x = 15,193,502,559.13/141,481.63
  6. Step 6: Final answer
    x = 107,388.52

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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.