Home / 223,021.04-307,769.33-121,046.49

Finding the Fourth Proportional to 223,021.04, 307,769.33 and 121,046.49

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Solution

The fourth proportional to 223,021.04, 307,769.33 and 121,046.49 is: 167,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,021.04 : 307,769.33 = 121,046.49 : x
  2. Step 2: Convert to fraction form
    223,021.04/307,769.33 = 121,046.49/x
  3. Step 3: Cross multiply
    223,021.04x = 307,769.33 × 121,046.49
  4. Step 4: Simplify right side
    223,021.04x = 37,254,397,428.77
  5. Step 5: Solve for x
    x = 37,254,397,428.77/223,021.04
  6. Step 6: Final answer
    x = 167,044.32

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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.