Home / 192,917.72-288,271.30-147,073.34

Finding the Fourth Proportional to 192,917.72, 288,271.30 and 147,073.34

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Solution

The fourth proportional to 192,917.72, 288,271.30 and 147,073.34 is: 219,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,917.72 : 288,271.30 = 147,073.34 : x
  2. Step 2: Convert to fraction form
    192,917.72/288,271.30 = 147,073.34/x
  3. Step 3: Cross multiply
    192,917.72x = 288,271.30 × 147,073.34
  4. Step 4: Simplify right side
    192,917.72x = 42,397,022,917.14
  5. Step 5: Solve for x
    x = 42,397,022,917.14/192,917.72
  6. Step 6: Final answer
    x = 219,767.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.