Home / 223,208.32-308,042.56-122,607.36

Finding the Fourth Proportional to 223,208.32, 308,042.56 and 122,607.36

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Solution

The fourth proportional to 223,208.32, 308,042.56 and 122,607.36 is: 169,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,208.32 : 308,042.56 = 122,607.36 : x
  2. Step 2: Convert to fraction form
    223,208.32/308,042.56 = 122,607.36/x
  3. Step 3: Cross multiply
    223,208.32x = 308,042.56 × 122,607.36
  4. Step 4: Simplify right side
    223,208.32x = 37,768,285,049.24
  5. Step 5: Solve for x
    x = 37,768,285,049.24/223,208.32
  6. Step 6: Final answer
    x = 169,206.44

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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.