Home / 141,851.46-195,755.01-78,190.62

Finding the Fourth Proportional to 141,851.46, 195,755.01 and 78,190.62

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Solution

The fourth proportional to 141,851.46, 195,755.01 and 78,190.62 is: 107,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,851.46 : 195,755.01 = 78,190.62 : x
  2. Step 2: Convert to fraction form
    141,851.46/195,755.01 = 78,190.62/x
  3. Step 3: Cross multiply
    141,851.46x = 195,755.01 × 78,190.62
  4. Step 4: Simplify right side
    141,851.46x = 15,306,205,600.01
  5. Step 5: Solve for x
    x = 15,306,205,600.01/141,851.46
  6. Step 6: Final answer
    x = 107,903.05

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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.