Home / 150,320.76-225,507-50,490.54

Finding the Fourth Proportional to 150,320.76, 225,507 and 50,490.54

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Solution

The fourth proportional to 150,320.76, 225,507 and 50,490.54 is: 75,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,320.76 : 225,507 = 50,490.54 : x
  2. Step 2: Convert to fraction form
    150,320.76/225,507 = 50,490.54/x
  3. Step 3: Cross multiply
    150,320.76x = 225,507 × 50,490.54
  4. Step 4: Simplify right side
    150,320.76x = 11,385,970,203.78
  5. Step 5: Solve for x
    x = 11,385,970,203.78/150,320.76
  6. Step 6: Final answer
    x = 75,744.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.