Home / 119,723.40-179,913.96-111,922.20

Finding the Fourth Proportional to 119,723.40, 179,913.96 and 111,922.20

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Solution

The fourth proportional to 119,723.40, 179,913.96 and 111,922.20 is: 168,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,723.40 : 179,913.96 = 111,922.20 : x
  2. Step 2: Convert to fraction form
    119,723.40/179,913.96 = 111,922.20/x
  3. Step 3: Cross multiply
    119,723.40x = 179,913.96 × 111,922.20
  4. Step 4: Simplify right side
    119,723.40x = 20,136,366,213.91
  5. Step 5: Solve for x
    x = 20,136,366,213.91/119,723.40
  6. Step 6: Final answer
    x = 168,190.73

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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.