Home / 189,404.07-261,376.70-104,526.33

Finding the Fourth Proportional to 189,404.07, 261,376.70 and 104,526.33

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Solution

The fourth proportional to 189,404.07, 261,376.70 and 104,526.33 is: 144,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,404.07 : 261,376.70 = 104,526.33 : x
  2. Step 2: Convert to fraction form
    189,404.07/261,376.70 = 104,526.33/x
  3. Step 3: Cross multiply
    189,404.07x = 261,376.70 × 104,526.33
  4. Step 4: Simplify right side
    189,404.07x = 27,320,747,198.51
  5. Step 5: Solve for x
    x = 27,320,747,198.51/189,404.07
  6. Step 6: Final answer
    x = 144,245.83

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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.