Home / 141,630.22-195,445.26-77,967.88

Finding the Fourth Proportional to 141,630.22, 195,445.26 and 77,967.88

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Solution

The fourth proportional to 141,630.22, 195,445.26 and 77,967.88 is: 107,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630.22 : 195,445.26 = 77,967.88 : x
  2. Step 2: Convert to fraction form
    141,630.22/195,445.26 = 77,967.88/x
  3. Step 3: Cross multiply
    141,630.22x = 195,445.26 × 77,967.88
  4. Step 4: Simplify right side
    141,630.22x = 15,238,452,578.25
  5. Step 5: Solve for x
    x = 15,238,452,578.25/141,630.22
  6. Step 6: Final answer
    x = 107,593.23

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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.