Home / 189,172.46-261,059.81-104,292.56

Finding the Fourth Proportional to 189,172.46, 261,059.81 and 104,292.56

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Solution

The fourth proportional to 189,172.46, 261,059.81 and 104,292.56 is: 143,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,172.46 : 261,059.81 = 104,292.56 : x
  2. Step 2: Convert to fraction form
    189,172.46/261,059.81 = 104,292.56/x
  3. Step 3: Cross multiply
    189,172.46x = 261,059.81 × 104,292.56
  4. Step 4: Simplify right side
    189,172.46x = 27,226,594,071.25
  5. Step 5: Solve for x
    x = 27,226,594,071.25/189,172.46
  6. Step 6: Final answer
    x = 143,924.73

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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.