Home / 132,919.38-199,494.09-69,784.07

Finding the Fourth Proportional to 132,919.38, 199,494.09 and 69,784.07

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Solution

The fourth proportional to 132,919.38, 199,494.09 and 69,784.07 is: 104,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.38 : 199,494.09 = 69,784.07 : x
  2. Step 2: Convert to fraction form
    132,919.38/199,494.09 = 69,784.07/x
  3. Step 3: Cross multiply
    132,919.38x = 199,494.09 × 69,784.07
  4. Step 4: Simplify right side
    132,919.38x = 13,921,508,543.68
  5. Step 5: Solve for x
    x = 13,921,508,543.68/132,919.38
  6. Step 6: Final answer
    x = 104,736.48

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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.