Home / 222,828.21-307,503.41-127,334.66

Finding the Fourth Proportional to 222,828.21, 307,503.41 and 127,334.66

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Solution

The fourth proportional to 222,828.21, 307,503.41 and 127,334.66 is: 175,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,828.21 : 307,503.41 = 127,334.66 : x
  2. Step 2: Convert to fraction form
    222,828.21/307,503.41 = 127,334.66/x
  3. Step 3: Cross multiply
    222,828.21x = 307,503.41 × 127,334.66
  4. Step 4: Simplify right side
    222,828.21x = 39,155,839,987.00
  5. Step 5: Solve for x
    x = 39,155,839,987.00/222,828.21
  6. Step 6: Final answer
    x = 175,722.10

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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.