Home / 300,921.48-415,284.37-171,881.18

Finding the Fourth Proportional to 300,921.48, 415,284.37 and 171,881.18

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Solution

The fourth proportional to 300,921.48, 415,284.37 and 171,881.18 is: 237,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,921.48 : 415,284.37 = 171,881.18 : x
  2. Step 2: Convert to fraction form
    300,921.48/415,284.37 = 171,881.18/x
  3. Step 3: Cross multiply
    300,921.48x = 415,284.37 × 171,881.18
  4. Step 4: Simplify right side
    300,921.48x = 71,379,567,551.16
  5. Step 5: Solve for x
    x = 71,379,567,551.16/300,921.48
  6. Step 6: Final answer
    x = 237,203.30

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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.