Home / 223,828.45-308,873.17-121,851.30

Finding the Fourth Proportional to 223,828.45, 308,873.17 and 121,851.30

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Solution

The fourth proportional to 223,828.45, 308,873.17 and 121,851.30 is: 168,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,828.45 : 308,873.17 = 121,851.30 : x
  2. Step 2: Convert to fraction form
    223,828.45/308,873.17 = 121,851.30/x
  3. Step 3: Cross multiply
    223,828.45x = 308,873.17 × 121,851.30
  4. Step 4: Simplify right side
    223,828.45x = 37,636,597,299.62
  5. Step 5: Solve for x
    x = 37,636,597,299.62/223,828.45
  6. Step 6: Final answer
    x = 168,149.30

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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.