Home / 211,795.11-317,682.95-71,554.95

Finding the Fourth Proportional to 211,795.11, 317,682.95 and 71,554.95

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Solution

The fourth proportional to 211,795.11, 317,682.95 and 71,554.95 is: 107,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,795.11 : 317,682.95 = 71,554.95 : x
  2. Step 2: Convert to fraction form
    211,795.11/317,682.95 = 71,554.95/x
  3. Step 3: Cross multiply
    211,795.11x = 317,682.95 × 71,554.95
  4. Step 4: Simplify right side
    211,795.11x = 22,731,787,245.33
  5. Step 5: Solve for x
    x = 22,731,787,245.33/211,795.11
  6. Step 6: Final answer
    x = 107,329.14

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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.