Home / 211,291.39-317,004.82-61,540.67

Finding the Fourth Proportional to 211,291.39, 317,004.82 and 61,540.67

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Solution

The fourth proportional to 211,291.39, 317,004.82 and 61,540.67 is: 92,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,291.39 : 317,004.82 = 61,540.67 : x
  2. Step 2: Convert to fraction form
    211,291.39/317,004.82 = 61,540.67/x
  3. Step 3: Cross multiply
    211,291.39x = 317,004.82 × 61,540.67
  4. Step 4: Simplify right side
    211,291.39x = 19,508,689,654.69
  5. Step 5: Solve for x
    x = 19,508,689,654.69/211,291.39
  6. Step 6: Final answer
    x = 92,330.74

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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.