Home / 194,450.72-291,651.48-76,205.10

Finding the Fourth Proportional to 194,450.72, 291,651.48 and 76,205.10

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Solution

The fourth proportional to 194,450.72, 291,651.48 and 76,205.10 is: 114,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,450.72 : 291,651.48 = 76,205.10 : x
  2. Step 2: Convert to fraction form
    194,450.72/291,651.48 = 76,205.10/x
  3. Step 3: Cross multiply
    194,450.72x = 291,651.48 × 76,205.10
  4. Step 4: Simplify right side
    194,450.72x = 22,225,330,198.55
  5. Step 5: Solve for x
    x = 22,225,330,198.55/194,450.72
  6. Step 6: Final answer
    x = 114,298.01

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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.