Home / 188,589.20-260,250.18-103,706.06

Finding the Fourth Proportional to 188,589.20, 260,250.18 and 103,706.06

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Solution

The fourth proportional to 188,589.20, 260,250.18 and 103,706.06 is: 143,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,589.20 : 260,250.18 = 103,706.06 : x
  2. Step 2: Convert to fraction form
    188,589.20/260,250.18 = 103,706.06/x
  3. Step 3: Cross multiply
    188,589.20x = 260,250.18 × 103,706.06
  4. Step 4: Simplify right side
    188,589.20x = 26,989,520,782.09
  5. Step 5: Solve for x
    x = 26,989,520,782.09/188,589.20
  6. Step 6: Final answer
    x = 143,112.76

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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.