Home / 188,747.10-283,251.69-122,021.70

Finding the Fourth Proportional to 188,747.10, 283,251.69 and 122,021.70

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Solution

The fourth proportional to 188,747.10, 283,251.69 and 122,021.70 is: 183,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,747.10 : 283,251.69 = 122,021.70 : x
  2. Step 2: Convert to fraction form
    188,747.10/283,251.69 = 122,021.70/x
  3. Step 3: Cross multiply
    188,747.10x = 283,251.69 × 122,021.70
  4. Step 4: Simplify right side
    188,747.10x = 34,562,852,741.67
  5. Step 5: Solve for x
    x = 34,562,852,741.67/188,747.10
  6. Step 6: Final answer
    x = 183,117.27

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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.