Home / 222,929.60-307,642.82-127,438.44

Finding the Fourth Proportional to 222,929.60, 307,642.82 and 127,438.44

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Solution

The fourth proportional to 222,929.60, 307,642.82 and 127,438.44 is: 175,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,929.60 : 307,642.82 = 127,438.44 : x
  2. Step 2: Convert to fraction form
    222,929.60/307,642.82 = 127,438.44/x
  3. Step 3: Cross multiply
    222,929.60x = 307,642.82 × 127,438.44
  4. Step 4: Simplify right side
    222,929.60x = 39,205,521,058.00
  5. Step 5: Solve for x
    x = 39,205,521,058.00/222,929.60
  6. Step 6: Final answer
    x = 175,865.03

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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.