Home / 211,584.70-317,166.81-106,081.66

Finding the Fourth Proportional to 211,584.70, 317,166.81 and 106,081.66

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Solution

The fourth proportional to 211,584.70, 317,166.81 and 106,081.66 is: 159,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,584.70 : 317,166.81 = 106,081.66 : x
  2. Step 2: Convert to fraction form
    211,584.70/317,166.81 = 106,081.66/x
  3. Step 3: Cross multiply
    211,584.70x = 317,166.81 × 106,081.66
  4. Step 4: Simplify right side
    211,584.70x = 33,645,581,701.70
  5. Step 5: Solve for x
    x = 33,645,581,701.70/211,584.70
  6. Step 6: Final answer
    x = 159,017.08

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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.