Home / 223,673.82-335,407.05-83,394.78

Finding the Fourth Proportional to 223,673.82, 335,407.05 and 83,394.78

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Solution

The fourth proportional to 223,673.82, 335,407.05 and 83,394.78 is: 125,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,673.82 : 335,407.05 = 83,394.78 : x
  2. Step 2: Convert to fraction form
    223,673.82/335,407.05 = 83,394.78/x
  3. Step 3: Cross multiply
    223,673.82x = 335,407.05 × 83,394.78
  4. Step 4: Simplify right side
    223,673.82x = 27,971,197,145.20
  5. Step 5: Solve for x
    x = 27,971,197,145.20/223,673.82
  6. Step 6: Final answer
    x = 125,053.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.