Home / 121,226.63-181,835.69-36,983.39

Finding the Fourth Proportional to 121,226.63, 181,835.69 and 36,983.39

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Solution

The fourth proportional to 121,226.63, 181,835.69 and 36,983.39 is: 55,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,226.63 : 181,835.69 = 36,983.39 : x
  2. Step 2: Convert to fraction form
    121,226.63/181,835.69 = 36,983.39/x
  3. Step 3: Cross multiply
    121,226.63x = 181,835.69 × 36,983.39
  4. Step 4: Simplify right side
    121,226.63x = 6,724,899,145.09
  5. Step 5: Solve for x
    x = 6,724,899,145.09/121,226.63
  6. Step 6: Final answer
    x = 55,473.78

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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.