Home / 141,682.05-195,520.91-77,150.25

Finding the Fourth Proportional to 141,682.05, 195,520.91 and 77,150.25

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Solution

The fourth proportional to 141,682.05, 195,520.91 and 77,150.25 is: 106,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,682.05 : 195,520.91 = 77,150.25 : x
  2. Step 2: Convert to fraction form
    141,682.05/195,520.91 = 77,150.25/x
  3. Step 3: Cross multiply
    141,682.05x = 195,520.91 × 77,150.25
  4. Step 4: Simplify right side
    141,682.05x = 15,084,486,700.98
  5. Step 5: Solve for x
    x = 15,084,486,700.98/141,682.05
  6. Step 6: Final answer
    x = 106,467.17

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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.