Home / 266,564.15-367,859.26-159,131.87

Finding the Fourth Proportional to 266,564.15, 367,859.26 and 159,131.87

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Solution

The fourth proportional to 266,564.15, 367,859.26 and 159,131.87 is: 219,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,564.15 : 367,859.26 = 159,131.87 : x
  2. Step 2: Convert to fraction form
    266,564.15/367,859.26 = 159,131.87/x
  3. Step 3: Cross multiply
    266,564.15x = 367,859.26 × 159,131.87
  4. Step 4: Simplify right side
    266,564.15x = 58,538,131,679.71
  5. Step 5: Solve for x
    x = 58,538,131,679.71/266,564.15
  6. Step 6: Final answer
    x = 219,602.42

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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.