Home / 192,686.83-288,789.54-92,828.41

Finding the Fourth Proportional to 192,686.83, 288,789.54 and 92,828.41

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Solution

The fourth proportional to 192,686.83, 288,789.54 and 92,828.41 is: 139,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,686.83 : 288,789.54 = 92,828.41 : x
  2. Step 2: Convert to fraction form
    192,686.83/288,789.54 = 92,828.41/x
  3. Step 3: Cross multiply
    192,686.83x = 288,789.54 × 92,828.41
  4. Step 4: Simplify right side
    192,686.83x = 26,807,873,822.83
  5. Step 5: Solve for x
    x = 26,807,873,822.83/192,686.83
  6. Step 6: Final answer
    x = 139,126.65

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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.