Home / 223,257.25-308,098.65-127,816.57

Finding the Fourth Proportional to 223,257.25, 308,098.65 and 127,816.57

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Solution

The fourth proportional to 223,257.25, 308,098.65 and 127,816.57 is: 176,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,257.25 : 308,098.65 = 127,816.57 : x
  2. Step 2: Convert to fraction form
    223,257.25/308,098.65 = 127,816.57/x
  3. Step 3: Cross multiply
    223,257.25x = 308,098.65 × 127,816.57
  4. Step 4: Simplify right side
    223,257.25x = 39,380,112,664.63
  5. Step 5: Solve for x
    x = 39,380,112,664.63/223,257.25
  6. Step 6: Final answer
    x = 176,388.95

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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.