Home / 189,583.12-261,611.53-104,693.50

Finding the Fourth Proportional to 189,583.12, 261,611.53 and 104,693.50

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Solution

The fourth proportional to 189,583.12, 261,611.53 and 104,693.50 is: 144,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,583.12 : 261,611.53 = 104,693.50 : x
  2. Step 2: Convert to fraction form
    189,583.12/261,611.53 = 104,693.50/x
  3. Step 3: Cross multiply
    189,583.12x = 261,611.53 × 104,693.50
  4. Step 4: Simplify right side
    189,583.12x = 27,389,026,716.06
  5. Step 5: Solve for x
    x = 27,389,026,716.06/189,583.12
  6. Step 6: Final answer
    x = 144,469.75

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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.