Home / 189,799.68-261,919.92-104,914.92

Finding the Fourth Proportional to 189,799.68, 261,919.92 and 104,914.92

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Solution

The fourth proportional to 189,799.68, 261,919.92 and 104,914.92 is: 144,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,799.68 : 261,919.92 = 104,914.92 : x
  2. Step 2: Convert to fraction form
    189,799.68/261,919.92 = 104,914.92/x
  3. Step 3: Cross multiply
    189,799.68x = 261,919.92 × 104,914.92
  4. Step 4: Simplify right side
    189,799.68x = 27,479,307,453.21
  5. Step 5: Solve for x
    x = 27,479,307,453.21/189,799.68
  6. Step 6: Final answer
    x = 144,780.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.