Home / 150,198.37-207,272.73-86,534.80

Finding the Fourth Proportional to 150,198.37, 207,272.73 and 86,534.80

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Solution

The fourth proportional to 150,198.37, 207,272.73 and 86,534.80 is: 119,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,198.37 : 207,272.73 = 86,534.80 : x
  2. Step 2: Convert to fraction form
    150,198.37/207,272.73 = 86,534.80/x
  3. Step 3: Cross multiply
    150,198.37x = 207,272.73 × 86,534.80
  4. Step 4: Simplify right side
    150,198.37x = 17,936,304,236.00
  5. Step 5: Solve for x
    x = 17,936,304,236.00/150,198.37
  6. Step 6: Final answer
    x = 119,417.44

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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.