Home / 192,552.13-288,896.60-85,926.39

Finding the Fourth Proportional to 192,552.13, 288,896.60 and 85,926.39

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Solution

The fourth proportional to 192,552.13, 288,896.60 and 85,926.39 is: 128,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,552.13 : 288,896.60 = 85,926.39 : x
  2. Step 2: Convert to fraction form
    192,552.13/288,896.60 = 85,926.39/x
  3. Step 3: Cross multiply
    192,552.13x = 288,896.60 × 85,926.39
  4. Step 4: Simplify right side
    192,552.13x = 24,823,841,921.27
  5. Step 5: Solve for x
    x = 24,823,841,921.27/192,552.13
  6. Step 6: Final answer
    x = 128,920.11

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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.