Home / 198,835.93-298,752.12-186,878.51

Finding the Fourth Proportional to 198,835.93, 298,752.12 and 186,878.51

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Solution

The fourth proportional to 198,835.93, 298,752.12 and 186,878.51 is: 280,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,835.93 : 298,752.12 = 186,878.51 : x
  2. Step 2: Convert to fraction form
    198,835.93/298,752.12 = 186,878.51/x
  3. Step 3: Cross multiply
    198,835.93x = 298,752.12 × 186,878.51
  4. Step 4: Simplify right side
    198,835.93x = 55,830,351,044.94
  5. Step 5: Solve for x
    x = 55,830,351,044.94/198,835.93
  6. Step 6: Final answer
    x = 280,786.03

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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.