Home / 188,658.20-260,344.36-102,618.92

Finding the Fourth Proportional to 188,658.20, 260,344.36 and 102,618.92

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Solution

The fourth proportional to 188,658.20, 260,344.36 and 102,618.92 is: 141,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,658.20 : 260,344.36 = 102,618.92 : x
  2. Step 2: Convert to fraction form
    188,658.20/260,344.36 = 102,618.92/x
  3. Step 3: Cross multiply
    188,658.20x = 260,344.36 × 102,618.92
  4. Step 4: Simplify right side
    188,658.20x = 26,716,257,051.29
  5. Step 5: Solve for x
    x = 26,716,257,051.29/188,658.20
  6. Step 6: Final answer
    x = 141,611.96

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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.