Home / 150,384.87-207,517.34-86,710.37

Finding the Fourth Proportional to 150,384.87, 207,517.34 and 86,710.37

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Solution

The fourth proportional to 150,384.87, 207,517.34 and 86,710.37 is: 119,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,384.87 : 207,517.34 = 86,710.37 : x
  2. Step 2: Convert to fraction form
    150,384.87/207,517.34 = 86,710.37/x
  3. Step 3: Cross multiply
    150,384.87x = 207,517.34 × 86,710.37
  4. Step 4: Simplify right side
    150,384.87x = 17,993,904,512.01
  5. Step 5: Solve for x
    x = 17,993,904,512.01/150,384.87
  6. Step 6: Final answer
    x = 119,652.36

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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.