Home / 132,786.03-199,178.51-53,899.59

Finding the Fourth Proportional to 132,786.03, 199,178.51 and 53,899.59

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Solution

The fourth proportional to 132,786.03, 199,178.51 and 53,899.59 is: 80,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,786.03 : 199,178.51 = 53,899.59 : x
  2. Step 2: Convert to fraction form
    132,786.03/199,178.51 = 53,899.59/x
  3. Step 3: Cross multiply
    132,786.03x = 199,178.51 × 53,899.59
  4. Step 4: Simplify right side
    132,786.03x = 10,735,639,756.31
  5. Step 5: Solve for x
    x = 10,735,639,756.31/132,786.03
  6. Step 6: Final answer
    x = 80,849.17

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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.