Home / 194,345.20-291,517.80-111,180.88

Finding the Fourth Proportional to 194,345.20, 291,517.80 and 111,180.88

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Solution

The fourth proportional to 194,345.20, 291,517.80 and 111,180.88 is: 166,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,345.20 : 291,517.80 = 111,180.88 : x
  2. Step 2: Convert to fraction form
    194,345.20/291,517.80 = 111,180.88/x
  3. Step 3: Cross multiply
    194,345.20x = 291,517.80 × 111,180.88
  4. Step 4: Simplify right side
    194,345.20x = 32,411,205,539.66
  5. Step 5: Solve for x
    x = 32,411,205,539.66/194,345.20
  6. Step 6: Final answer
    x = 166,771.32

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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.