Home / 150,503.04-225,462.96-80,285.76

Finding the Fourth Proportional to 150,503.04, 225,462.96 and 80,285.76

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Solution

The fourth proportional to 150,503.04, 225,462.96 and 80,285.76 is: 120,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,503.04 : 225,462.96 = 80,285.76 : x
  2. Step 2: Convert to fraction form
    150,503.04/225,462.96 = 80,285.76/x
  3. Step 3: Cross multiply
    150,503.04x = 225,462.96 × 80,285.76
  4. Step 4: Simplify right side
    150,503.04x = 18,101,465,095.45
  5. Step 5: Solve for x
    x = 18,101,465,095.45/150,503.04
  6. Step 6: Final answer
    x = 120,273.09

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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.