Home / 192,186.33-288,029.40-78,201.27

Finding the Fourth Proportional to 192,186.33, 288,029.40 and 78,201.27

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Solution

The fourth proportional to 192,186.33, 288,029.40 and 78,201.27 is: 117,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,186.33 : 288,029.40 = 78,201.27 : x
  2. Step 2: Convert to fraction form
    192,186.33/288,029.40 = 78,201.27/x
  3. Step 3: Cross multiply
    192,186.33x = 288,029.40 × 78,201.27
  4. Step 4: Simplify right side
    192,186.33x = 22,524,264,877.34
  5. Step 5: Solve for x
    x = 22,524,264,877.34/192,186.33
  6. Step 6: Final answer
    x = 117,200.14

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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.