Home / 198,461.20-273,875.37-107,816.44

Finding the Fourth Proportional to 198,461.20, 273,875.37 and 107,816.44

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Solution

The fourth proportional to 198,461.20, 273,875.37 and 107,816.44 is: 148,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,461.20 : 273,875.37 = 107,816.44 : x
  2. Step 2: Convert to fraction form
    198,461.20/273,875.37 = 107,816.44/x
  3. Step 3: Cross multiply
    198,461.20x = 273,875.37 × 107,816.44
  4. Step 4: Simplify right side
    198,461.20x = 29,528,267,397.08
  5. Step 5: Solve for x
    x = 29,528,267,397.08/198,461.20
  6. Step 6: Final answer
    x = 148,786.10

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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.