Home / 205,071.11-307,584.98-55,302.14

Finding the Fourth Proportional to 205,071.11, 307,584.98 and 55,302.14

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Solution

The fourth proportional to 205,071.11, 307,584.98 and 55,302.14 is: 82,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,071.11 : 307,584.98 = 55,302.14 : x
  2. Step 2: Convert to fraction form
    205,071.11/307,584.98 = 55,302.14/x
  3. Step 3: Cross multiply
    205,071.11x = 307,584.98 × 55,302.14
  4. Step 4: Simplify right side
    205,071.11x = 17,010,108,325.69
  5. Step 5: Solve for x
    x = 17,010,108,325.69/205,071.11
  6. Step 6: Final answer
    x = 82,947.37

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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.