Home / 194,190.90-291,315.04-99,474.66

Finding the Fourth Proportional to 194,190.90, 291,315.04 and 99,474.66

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Solution

The fourth proportional to 194,190.90, 291,315.04 and 99,474.66 is: 149,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,190.90 : 291,315.04 = 99,474.66 : x
  2. Step 2: Convert to fraction form
    194,190.90/291,315.04 = 99,474.66/x
  3. Step 3: Cross multiply
    194,190.90x = 291,315.04 × 99,474.66
  4. Step 4: Simplify right side
    194,190.90x = 28,978,464,556.89
  5. Step 5: Solve for x
    x = 28,978,464,556.89/194,190.90
  6. Step 6: Final answer
    x = 149,226.69

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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.