Home / 148,133.73-204,427.52-87,682.31

Finding the Fourth Proportional to 148,133.73, 204,427.52 and 87,682.31

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Solution

The fourth proportional to 148,133.73, 204,427.52 and 87,682.31 is: 121,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,133.73 : 204,427.52 = 87,682.31 : x
  2. Step 2: Convert to fraction form
    148,133.73/204,427.52 = 87,682.31/x
  3. Step 3: Cross multiply
    148,133.73x = 204,427.52 × 87,682.31
  4. Step 4: Simplify right side
    148,133.73x = 17,924,675,720.62
  5. Step 5: Solve for x
    x = 17,924,675,720.62/148,133.73
  6. Step 6: Final answer
    x = 121,003.34

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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.