Home / 282,001.82-389,160.39-154,676.51

Finding the Fourth Proportional to 282,001.82, 389,160.39 and 154,676.51

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Solution

The fourth proportional to 282,001.82, 389,160.39 and 154,676.51 is: 213,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,001.82 : 389,160.39 = 154,676.51 : x
  2. Step 2: Convert to fraction form
    282,001.82/389,160.39 = 154,676.51/x
  3. Step 3: Cross multiply
    282,001.82x = 389,160.39 × 154,676.51
  4. Step 4: Simplify right side
    282,001.82x = 60,193,970,955.44
  5. Step 5: Solve for x
    x = 60,193,970,955.44/282,001.82
  6. Step 6: Final answer
    x = 213,452.42

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1.5x scale

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.