Home / 198,843.14-274,038.45-186,216.86

Finding the Fourth Proportional to 198,843.14, 274,038.45 and 186,216.86

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Solution

The fourth proportional to 198,843.14, 274,038.45 and 186,216.86 is: 256,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,843.14 : 274,038.45 = 186,216.86 : x
  2. Step 2: Convert to fraction form
    198,843.14/274,038.45 = 186,216.86/x
  3. Step 3: Cross multiply
    198,843.14x = 274,038.45 × 186,216.86
  4. Step 4: Simplify right side
    198,843.14x = 51,030,579,678.27
  5. Step 5: Solve for x
    x = 51,030,579,678.27/198,843.14
  6. Step 6: Final answer
    x = 256,637.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.