Home / 147,236.73-203,187.65-83,575.59

Finding the Fourth Proportional to 147,236.73, 203,187.65 and 83,575.59

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Solution

The fourth proportional to 147,236.73, 203,187.65 and 83,575.59 is: 115,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,236.73 : 203,187.65 = 83,575.59 : x
  2. Step 2: Convert to fraction form
    147,236.73/203,187.65 = 83,575.59/x
  3. Step 3: Cross multiply
    147,236.73x = 203,187.65 × 83,575.59
  4. Step 4: Simplify right side
    147,236.73x = 16,981,527,729.46
  5. Step 5: Solve for x
    x = 16,981,527,729.46/147,236.73
  6. Step 6: Final answer
    x = 115,334.86

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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.