Home / 179,106.40-268,835.64-136,591.12

Finding the Fourth Proportional to 179,106.40, 268,835.64 and 136,591.12

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Solution

The fourth proportional to 179,106.40, 268,835.64 and 136,591.12 is: 205,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,106.40 : 268,835.64 = 136,591.12 : x
  2. Step 2: Convert to fraction form
    179,106.40/268,835.64 = 136,591.12/x
  3. Step 3: Cross multiply
    179,106.40x = 268,835.64 × 136,591.12
  4. Step 4: Simplify right side
    179,106.40x = 36,720,561,163.52
  5. Step 5: Solve for x
    x = 36,720,561,163.52/179,106.40
  6. Step 6: Final answer
    x = 205,020.93

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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.