Home / 196,817.21-271,644.84-123,263.74

Finding the Fourth Proportional to 196,817.21, 271,644.84 and 123,263.74

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Solution

The fourth proportional to 196,817.21, 271,644.84 and 123,263.74 is: 170,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,817.21 : 271,644.84 = 123,263.74 : x
  2. Step 2: Convert to fraction form
    196,817.21/271,644.84 = 123,263.74/x
  3. Step 3: Cross multiply
    196,817.21x = 271,644.84 × 123,263.74
  4. Step 4: Simplify right side
    196,817.21x = 33,483,956,955.56
  5. Step 5: Solve for x
    x = 33,483,956,955.56/196,817.21
  6. Step 6: Final answer
    x = 170,127.18

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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.