Home / 106,209.07-159,313.61-39,654.39

Finding the Fourth Proportional to 106,209.07, 159,313.61 and 39,654.39

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Solution

The fourth proportional to 106,209.07, 159,313.61 and 39,654.39 is: 59,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,209.07 : 159,313.61 = 39,654.39 : x
  2. Step 2: Convert to fraction form
    106,209.07/159,313.61 = 39,654.39/x
  3. Step 3: Cross multiply
    106,209.07x = 159,313.61 × 39,654.39
  4. Step 4: Simplify right side
    106,209.07x = 6,317,484,775.57
  5. Step 5: Solve for x
    x = 6,317,484,775.57/106,209.07
  6. Step 6: Final answer
    x = 59,481.59

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1.5x scale

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.