Home / 148,054.53-204,309.84-84,380.03

Finding the Fourth Proportional to 148,054.53, 204,309.84 and 84,380.03

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Solution

The fourth proportional to 148,054.53, 204,309.84 and 84,380.03 is: 116,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,054.53 : 204,309.84 = 84,380.03 : x
  2. Step 2: Convert to fraction form
    148,054.53/204,309.84 = 84,380.03/x
  3. Step 3: Cross multiply
    148,054.53x = 204,309.84 × 84,380.03
  4. Step 4: Simplify right side
    148,054.53x = 17,239,670,489.53
  5. Step 5: Solve for x
    x = 17,239,670,489.53/148,054.53
  6. Step 6: Final answer
    x = 116,441.35

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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.