Home / 151,231.44-226,898.46-66,980.28

Finding the Fourth Proportional to 151,231.44, 226,898.46 and 66,980.28

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Solution

The fourth proportional to 151,231.44, 226,898.46 and 66,980.28 is: 100,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,231.44 : 226,898.46 = 66,980.28 : x
  2. Step 2: Convert to fraction form
    151,231.44/226,898.46 = 66,980.28/x
  3. Step 3: Cross multiply
    151,231.44x = 226,898.46 × 66,980.28
  4. Step 4: Simplify right side
    151,231.44x = 15,197,722,382.37
  5. Step 5: Solve for x
    x = 15,197,722,382.37/151,231.44
  6. Step 6: Final answer
    x = 100,493.14

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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.