Home / 199,620.05-297,902.34-178,320.89

Finding the Fourth Proportional to 199,620.05, 297,902.34 and 178,320.89

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Solution

The fourth proportional to 199,620.05, 297,902.34 and 178,320.89 is: 266,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,620.05 : 297,902.34 = 178,320.89 : x
  2. Step 2: Convert to fraction form
    199,620.05/297,902.34 = 178,320.89/x
  3. Step 3: Cross multiply
    199,620.05x = 297,902.34 × 178,320.89
  4. Step 4: Simplify right side
    199,620.05x = 53,122,210,401.88
  5. Step 5: Solve for x
    x = 53,122,210,401.88/199,620.05
  6. Step 6: Final answer
    x = 266,116.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.