Home / 141,361.20-195,072.30-77,695.20

Finding the Fourth Proportional to 141,361.20, 195,072.30 and 77,695.20

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Solution

The fourth proportional to 141,361.20, 195,072.30 and 77,695.20 is: 107,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.20 : 195,072.30 = 77,695.20 : x
  2. Step 2: Convert to fraction form
    141,361.20/195,072.30 = 77,695.20/x
  3. Step 3: Cross multiply
    141,361.20x = 195,072.30 × 77,695.20
  4. Step 4: Simplify right side
    141,361.20x = 15,156,181,362.96
  5. Step 5: Solve for x
    x = 15,156,181,362.96/141,361.20
  6. Step 6: Final answer
    x = 107,215.99

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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.