Home / 216,936.07-325,279.51-115,609.37

Finding the Fourth Proportional to 216,936.07, 325,279.51 and 115,609.37

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Solution

The fourth proportional to 216,936.07, 325,279.51 and 115,609.37 is: 173,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,936.07 : 325,279.51 = 115,609.37 : x
  2. Step 2: Convert to fraction form
    216,936.07/325,279.51 = 115,609.37/x
  3. Step 3: Cross multiply
    216,936.07x = 325,279.51 × 115,609.37
  4. Step 4: Simplify right side
    216,936.07x = 37,605,359,225.01
  5. Step 5: Solve for x
    x = 37,605,359,225.01/216,936.07
  6. Step 6: Final answer
    x = 173,347.66

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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.