Home / 211,544.11-317,093.28-69,352.30

Finding the Fourth Proportional to 211,544.11, 317,093.28 and 69,352.30

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Solution

The fourth proportional to 211,544.11, 317,093.28 and 69,352.30 is: 103,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,544.11 : 317,093.28 = 69,352.30 : x
  2. Step 2: Convert to fraction form
    211,544.11/317,093.28 = 69,352.30/x
  3. Step 3: Cross multiply
    211,544.11x = 317,093.28 × 69,352.30
  4. Step 4: Simplify right side
    211,544.11x = 21,991,148,282.54
  5. Step 5: Solve for x
    x = 21,991,148,282.54/211,544.11
  6. Step 6: Final answer
    x = 103,955.38

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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.