Home / 223,020.62-307,768.73-121,046.04

Finding the Fourth Proportional to 223,020.62, 307,768.73 and 121,046.04

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Solution

The fourth proportional to 223,020.62, 307,768.73 and 121,046.04 is: 167,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,020.62 : 307,768.73 = 121,046.04 : x
  2. Step 2: Convert to fraction form
    223,020.62/307,768.73 = 121,046.04/x
  3. Step 3: Cross multiply
    223,020.62x = 307,768.73 × 121,046.04
  4. Step 4: Simplify right side
    223,020.62x = 37,254,186,304.94
  5. Step 5: Solve for x
    x = 37,254,186,304.94/223,020.62
  6. Step 6: Final answer
    x = 167,043.69

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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.