Home / 151,245.84-226,298.74-90,230.47

Finding the Fourth Proportional to 151,245.84, 226,298.74 and 90,230.47

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Solution

The fourth proportional to 151,245.84, 226,298.74 and 90,230.47 is: 135,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,245.84 : 226,298.74 = 90,230.47 : x
  2. Step 2: Convert to fraction form
    151,245.84/226,298.74 = 90,230.47/x
  3. Step 3: Cross multiply
    151,245.84x = 226,298.74 × 90,230.47
  4. Step 4: Simplify right side
    151,245.84x = 20,419,040,879.28
  5. Step 5: Solve for x
    x = 20,419,040,879.28/151,245.84
  6. Step 6: Final answer
    x = 135,005.63

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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.