Home / 196,989.04-295,279.20-91,721.44

Finding the Fourth Proportional to 196,989.04, 295,279.20 and 91,721.44

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Solution

The fourth proportional to 196,989.04, 295,279.20 and 91,721.44 is: 137,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,989.04 : 295,279.20 = 91,721.44 : x
  2. Step 2: Convert to fraction form
    196,989.04/295,279.20 = 91,721.44/x
  3. Step 3: Cross multiply
    196,989.04x = 295,279.20 × 91,721.44
  4. Step 4: Simplify right side
    196,989.04x = 27,083,433,426.05
  5. Step 5: Solve for x
    x = 27,083,433,426.05/196,989.04
  6. Step 6: Final answer
    x = 137,487.01

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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.