Home / 147,766.33-203,906.01-87,325.48

Finding the Fourth Proportional to 147,766.33, 203,906.01 and 87,325.48

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Solution

The fourth proportional to 147,766.33, 203,906.01 and 87,325.48 is: 120,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,766.33 : 203,906.01 = 87,325.48 : x
  2. Step 2: Convert to fraction form
    147,766.33/203,906.01 = 87,325.48/x
  3. Step 3: Cross multiply
    147,766.33x = 203,906.01 × 87,325.48
  4. Step 4: Simplify right side
    147,766.33x = 17,806,190,198.13
  5. Step 5: Solve for x
    x = 17,806,190,198.13/147,766.33
  6. Step 6: Final answer
    x = 120,502.35

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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.