Home / 197,621.02-296,218.95-85,354.03

Finding the Fourth Proportional to 197,621.02, 296,218.95 and 85,354.03

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Solution

The fourth proportional to 197,621.02, 296,218.95 and 85,354.03 is: 127,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,621.02 : 296,218.95 = 85,354.03 : x
  2. Step 2: Convert to fraction form
    197,621.02/296,218.95 = 85,354.03/x
  3. Step 3: Cross multiply
    197,621.02x = 296,218.95 × 85,354.03
  4. Step 4: Simplify right side
    197,621.02x = 25,283,481,144.87
  5. Step 5: Solve for x
    x = 25,283,481,144.87/197,621.02
  6. Step 6: Final answer
    x = 127,939.23

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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.