Home / 150,168.08-207,241.57-86,504.78

Finding the Fourth Proportional to 150,168.08, 207,241.57 and 86,504.78

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Solution

The fourth proportional to 150,168.08, 207,241.57 and 86,504.78 is: 119,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,168.08 : 207,241.57 = 86,504.78 : x
  2. Step 2: Convert to fraction form
    150,168.08/207,241.57 = 86,504.78/x
  3. Step 3: Cross multiply
    150,168.08x = 207,241.57 × 86,504.78
  4. Step 4: Simplify right side
    150,168.08x = 17,927,384,950.97
  5. Step 5: Solve for x
    x = 17,927,384,950.97/150,168.08
  6. Step 6: Final answer
    x = 119,382.13

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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.