Home / 422,456.15-633,673.16-141,973.31

Finding the Fourth Proportional to 422,456.15, 633,673.16 and 141,973.31

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Solution

The fourth proportional to 422,456.15, 633,673.16 and 141,973.31 is: 212,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,456.15 : 633,673.16 = 141,973.31 : x
  2. Step 2: Convert to fraction form
    422,456.15/633,673.16 = 141,973.31/x
  3. Step 3: Cross multiply
    422,456.15x = 633,673.16 × 141,973.31
  4. Step 4: Simplify right side
    422,456.15x = 89,964,675,273.49
  5. Step 5: Solve for x
    x = 89,964,675,273.49/422,456.15
  6. Step 6: Final answer
    x = 212,956.24

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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.