Home / 189,456.47-261,449.96-104,573.56

Finding the Fourth Proportional to 189,456.47, 261,449.96 and 104,573.56

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Solution

The fourth proportional to 189,456.47, 261,449.96 and 104,573.56 is: 144,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,456.47 : 261,449.96 = 104,573.56 : x
  2. Step 2: Convert to fraction form
    189,456.47/261,449.96 = 104,573.56/x
  3. Step 3: Cross multiply
    189,456.47x = 261,449.96 × 104,573.56
  4. Step 4: Simplify right side
    189,456.47x = 27,340,751,902.56
  5. Step 5: Solve for x
    x = 27,340,751,902.56/189,456.47
  6. Step 6: Final answer
    x = 144,311.52

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1.5x scale

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.