Home / 213,026.66-293,994.36-122,400.11

Finding the Fourth Proportional to 213,026.66, 293,994.36 and 122,400.11

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Solution

The fourth proportional to 213,026.66, 293,994.36 and 122,400.11 is: 168,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,026.66 : 293,994.36 = 122,400.11 : x
  2. Step 2: Convert to fraction form
    213,026.66/293,994.36 = 122,400.11/x
  3. Step 3: Cross multiply
    213,026.66x = 293,994.36 × 122,400.11
  4. Step 4: Simplify right side
    213,026.66x = 35,984,942,738.37
  5. Step 5: Solve for x
    x = 35,984,942,738.37/213,026.66
  6. Step 6: Final answer
    x = 168,922.25

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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.