Home / 136,826.80-205,238.77-43,332.55

Finding the Fourth Proportional to 136,826.80, 205,238.77 and 43,332.55

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Solution

The fourth proportional to 136,826.80, 205,238.77 and 43,332.55 is: 64,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,826.80 : 205,238.77 = 43,332.55 : x
  2. Step 2: Convert to fraction form
    136,826.80/205,238.77 = 43,332.55/x
  3. Step 3: Cross multiply
    136,826.80x = 205,238.77 × 43,332.55
  4. Step 4: Simplify right side
    136,826.80x = 8,893,519,262.96
  5. Step 5: Solve for x
    x = 8,893,519,262.96/136,826.80
  6. Step 6: Final answer
    x = 64,998.37

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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.