Home / 189,685.26-261,770.94-104,807.79

Finding the Fourth Proportional to 189,685.26, 261,770.94 and 104,807.79

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Solution

The fourth proportional to 189,685.26, 261,770.94 and 104,807.79 is: 144,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,685.26 : 261,770.94 = 104,807.79 : x
  2. Step 2: Convert to fraction form
    189,685.26/261,770.94 = 104,807.79/x
  3. Step 3: Cross multiply
    189,685.26x = 261,770.94 × 104,807.79
  4. Step 4: Simplify right side
    189,685.26x = 27,435,633,707.62
  5. Step 5: Solve for x
    x = 27,435,633,707.62/189,685.26
  6. Step 6: Final answer
    x = 144,637.67

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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.