Home / 266,419.06-367,640.66-151,709.43

Finding the Fourth Proportional to 266,419.06, 367,640.66 and 151,709.43

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Solution

The fourth proportional to 266,419.06, 367,640.66 and 151,709.43 is: 209,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,419.06 : 367,640.66 = 151,709.43 : x
  2. Step 2: Convert to fraction form
    266,419.06/367,640.66 = 151,709.43/x
  3. Step 3: Cross multiply
    266,419.06x = 367,640.66 × 151,709.43
  4. Step 4: Simplify right side
    266,419.06x = 55,774,555,484.02
  5. Step 5: Solve for x
    x = 55,774,555,484.02/266,419.06
  6. Step 6: Final answer
    x = 209,348.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.