Home / 211,540.55-317,321.06-69,373.24

Finding the Fourth Proportional to 211,540.55, 317,321.06 and 69,373.24

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Solution

The fourth proportional to 211,540.55, 317,321.06 and 69,373.24 is: 104,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,540.55 : 317,321.06 = 69,373.24 : x
  2. Step 2: Convert to fraction form
    211,540.55/317,321.06 = 69,373.24/x
  3. Step 3: Cross multiply
    211,540.55x = 317,321.06 × 69,373.24
  4. Step 4: Simplify right side
    211,540.55x = 22,013,588,912.27
  5. Step 5: Solve for x
    x = 22,013,588,912.27/211,540.55
  6. Step 6: Final answer
    x = 104,063.21

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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.