Home / 147,773.97-203,928.30-84,111.75

Finding the Fourth Proportional to 147,773.97, 203,928.30 and 84,111.75

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Solution

The fourth proportional to 147,773.97, 203,928.30 and 84,111.75 is: 116,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.97 : 203,928.30 = 84,111.75 : x
  2. Step 2: Convert to fraction form
    147,773.97/203,928.30 = 84,111.75/x
  3. Step 3: Cross multiply
    147,773.97x = 203,928.30 × 84,111.75
  4. Step 4: Simplify right side
    147,773.97x = 17,152,766,187.53
  5. Step 5: Solve for x
    x = 17,152,766,187.53/147,773.97
  6. Step 6: Final answer
    x = 116,074.34

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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.