Home / 194,337.20-291,505.79-111,172.88

Finding the Fourth Proportional to 194,337.20, 291,505.79 and 111,172.88

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Solution

The fourth proportional to 194,337.20, 291,505.79 and 111,172.88 is: 166,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,337.20 : 291,505.79 = 111,172.88 : x
  2. Step 2: Convert to fraction form
    194,337.20/291,505.79 = 111,172.88/x
  3. Step 3: Cross multiply
    194,337.20x = 291,505.79 × 111,172.88
  4. Step 4: Simplify right side
    194,337.20x = 32,407,537,031.38
  5. Step 5: Solve for x
    x = 32,407,537,031.38/194,337.20
  6. Step 6: Final answer
    x = 166,759.31

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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.