Home / 141,632.74-195,445.56-81,200.44

Finding the Fourth Proportional to 141,632.74, 195,445.56 and 81,200.44

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Solution

The fourth proportional to 141,632.74, 195,445.56 and 81,200.44 is: 112,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,632.74 : 195,445.56 = 81,200.44 : x
  2. Step 2: Convert to fraction form
    141,632.74/195,445.56 = 81,200.44/x
  3. Step 3: Cross multiply
    141,632.74x = 195,445.56 × 81,200.44
  4. Step 4: Simplify right side
    141,632.74x = 15,870,265,468.05
  5. Step 5: Solve for x
    x = 15,870,265,468.05/141,632.74
  6. Step 6: Final answer
    x = 112,052.24

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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.