Home / 189,887.28-262,050.84-104,999.28

Finding the Fourth Proportional to 189,887.28, 262,050.84 and 104,999.28

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Solution

The fourth proportional to 189,887.28, 262,050.84 and 104,999.28 is: 144,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,887.28 : 262,050.84 = 104,999.28 : x
  2. Step 2: Convert to fraction form
    189,887.28/262,050.84 = 104,999.28/x
  3. Step 3: Cross multiply
    189,887.28x = 262,050.84 × 104,999.28
  4. Step 4: Simplify right side
    189,887.28x = 27,515,149,523.40
  5. Step 5: Solve for x
    x = 27,515,149,523.40/189,887.28
  6. Step 6: Final answer
    x = 144,902.54

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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.