Home / 189,152.33-261,031.97-104,272.43

Finding the Fourth Proportional to 189,152.33, 261,031.97 and 104,272.43

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Solution

The fourth proportional to 189,152.33, 261,031.97 and 104,272.43 is: 143,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,152.33 : 261,031.97 = 104,272.43 : x
  2. Step 2: Convert to fraction form
    189,152.33/261,031.97 = 104,272.43/x
  3. Step 3: Cross multiply
    189,152.33x = 261,031.97 × 104,272.43
  4. Step 4: Simplify right side
    189,152.33x = 27,218,437,819.59
  5. Step 5: Solve for x
    x = 27,218,437,819.59/189,152.33
  6. Step 6: Final answer
    x = 143,896.92

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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.