Home / 150,467.20-207,666.84-86,792.56

Finding the Fourth Proportional to 150,467.20, 207,666.84 and 86,792.56

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Solution

The fourth proportional to 150,467.20, 207,666.84 and 86,792.56 is: 119,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,467.20 : 207,666.84 = 86,792.56 : x
  2. Step 2: Convert to fraction form
    150,467.20/207,666.84 = 86,792.56/x
  3. Step 3: Cross multiply
    150,467.20x = 207,666.84 × 86,792.56
  4. Step 4: Simplify right side
    150,467.20x = 18,023,936,670.71
  5. Step 5: Solve for x
    x = 18,023,936,670.71/150,467.20
  6. Step 6: Final answer
    x = 119,786.48

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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.