Home / 151,418.09-226,836.07-84,655.76

Finding the Fourth Proportional to 151,418.09, 226,836.07 and 84,655.76

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Solution

The fourth proportional to 151,418.09, 226,836.07 and 84,655.76 is: 126,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,418.09 : 226,836.07 = 84,655.76 : x
  2. Step 2: Convert to fraction form
    151,418.09/226,836.07 = 84,655.76/x
  3. Step 3: Cross multiply
    151,418.09x = 226,836.07 × 84,655.76
  4. Step 4: Simplify right side
    151,418.09x = 19,202,978,555.44
  5. Step 5: Solve for x
    x = 19,202,978,555.44/151,418.09
  6. Step 6: Final answer
    x = 126,820.90

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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.