Home / 198,835.43-298,751.37-186,878.01

Finding the Fourth Proportional to 198,835.43, 298,751.37 and 186,878.01

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Solution

The fourth proportional to 198,835.43, 298,751.37 and 186,878.01 is: 280,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,835.43 : 298,751.37 = 186,878.01 : x
  2. Step 2: Convert to fraction form
    198,835.43/298,751.37 = 186,878.01/x
  3. Step 3: Cross multiply
    198,835.43x = 298,751.37 × 186,878.01
  4. Step 4: Simplify right side
    198,835.43x = 55,830,061,510.37
  5. Step 5: Solve for x
    x = 55,830,061,510.37/198,835.43
  6. Step 6: Final answer
    x = 280,785.28

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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.