Home / 189,593.67-261,637.52-104,711.79

Finding the Fourth Proportional to 189,593.67, 261,637.52 and 104,711.79

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Solution

The fourth proportional to 189,593.67, 261,637.52 and 104,711.79 is: 144,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,593.67 : 261,637.52 = 104,711.79 : x
  2. Step 2: Convert to fraction form
    189,593.67/261,637.52 = 104,711.79/x
  3. Step 3: Cross multiply
    189,593.67x = 261,637.52 × 104,711.79
  4. Step 4: Simplify right side
    189,593.67x = 27,396,532,526.80
  5. Step 5: Solve for x
    x = 27,396,532,526.80/189,593.67
  6. Step 6: Final answer
    x = 144,501.30

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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.