Home / 141,627.24-195,445.62-77,965.04

Finding the Fourth Proportional to 141,627.24, 195,445.62 and 77,965.04

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Solution

The fourth proportional to 141,627.24, 195,445.62 and 77,965.04 is: 107,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,627.24 : 195,445.62 = 77,965.04 : x
  2. Step 2: Convert to fraction form
    141,627.24/195,445.62 = 77,965.04/x
  3. Step 3: Cross multiply
    141,627.24x = 195,445.62 × 77,965.04
  4. Step 4: Simplify right side
    141,627.24x = 15,237,926,069.74
  5. Step 5: Solve for x
    x = 15,237,926,069.74/141,627.24
  6. Step 6: Final answer
    x = 107,591.77

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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.