Home / 259,618.14-389,031.93-192,744.54

Finding the Fourth Proportional to 259,618.14, 389,031.93 and 192,744.54

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Solution

The fourth proportional to 259,618.14, 389,031.93 and 192,744.54 is: 288,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,618.14 : 389,031.93 = 192,744.54 : x
  2. Step 2: Convert to fraction form
    259,618.14/389,031.93 = 192,744.54/x
  3. Step 3: Cross multiply
    259,618.14x = 389,031.93 × 192,744.54
  4. Step 4: Simplify right side
    259,618.14x = 74,983,780,393.16
  5. Step 5: Solve for x
    x = 74,983,780,393.16/259,618.14
  6. Step 6: Final answer
    x = 288,823.35

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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.