Home / 189,845.92-261,977.75-104,946.58

Finding the Fourth Proportional to 189,845.92, 261,977.75 and 104,946.58

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Solution

The fourth proportional to 189,845.92, 261,977.75 and 104,946.58 is: 144,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,845.92 : 261,977.75 = 104,946.58 : x
  2. Step 2: Convert to fraction form
    189,845.92/261,977.75 = 104,946.58/x
  3. Step 3: Cross multiply
    189,845.92x = 261,977.75 × 104,946.58
  4. Step 4: Simplify right side
    189,845.92x = 27,493,667,718.92
  5. Step 5: Solve for x
    x = 27,493,667,718.92/189,845.92
  6. Step 6: Final answer
    x = 144,820.96

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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.