Home / 194,122.04-291,253.11-67,780.89

Finding the Fourth Proportional to 194,122.04, 291,253.11 and 67,780.89

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Solution

The fourth proportional to 194,122.04, 291,253.11 and 67,780.89 is: 101,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,122.04 : 291,253.11 = 67,780.89 : x
  2. Step 2: Convert to fraction form
    194,122.04/291,253.11 = 67,780.89/x
  3. Step 3: Cross multiply
    194,122.04x = 291,253.11 × 67,780.89
  4. Step 4: Simplify right side
    194,122.04x = 19,741,395,011.07
  5. Step 5: Solve for x
    x = 19,741,395,011.07/194,122.04
  6. Step 6: Final answer
    x = 101,695.80

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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.