Home / 213,074.69-294,093.40-122,483.21

Finding the Fourth Proportional to 213,074.69, 294,093.40 and 122,483.21

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Solution

The fourth proportional to 213,074.69, 294,093.40 and 122,483.21 is: 169,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,074.69 : 294,093.40 = 122,483.21 : x
  2. Step 2: Convert to fraction form
    213,074.69/294,093.40 = 122,483.21/x
  3. Step 3: Cross multiply
    213,074.69x = 294,093.40 × 122,483.21
  4. Step 4: Simplify right side
    213,074.69x = 36,021,503,671.81
  5. Step 5: Solve for x
    x = 36,021,503,671.81/213,074.69
  6. Step 6: Final answer
    x = 169,055.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.