Home / 188,721.30-260,217.18-150,450.90

Finding the Fourth Proportional to 188,721.30, 260,217.18 and 150,450.90

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Solution

The fourth proportional to 188,721.30, 260,217.18 and 150,450.90 is: 207,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,721.30 : 260,217.18 = 150,450.90 : x
  2. Step 2: Convert to fraction form
    188,721.30/260,217.18 = 150,450.90/x
  3. Step 3: Cross multiply
    188,721.30x = 260,217.18 × 150,450.90
  4. Step 4: Simplify right side
    188,721.30x = 39,149,908,926.46
  5. Step 5: Solve for x
    x = 39,149,908,926.46/188,721.30
  6. Step 6: Final answer
    x = 207,448.28

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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.