Home / 189,204.68-261,104.22-104,324.76

Finding the Fourth Proportional to 189,204.68, 261,104.22 and 104,324.76

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Solution

The fourth proportional to 189,204.68, 261,104.22 and 104,324.76 is: 143,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,204.68 : 261,104.22 = 104,324.76 : x
  2. Step 2: Convert to fraction form
    189,204.68/261,104.22 = 104,324.76/x
  3. Step 3: Cross multiply
    189,204.68x = 261,104.22 × 104,324.76
  4. Step 4: Simplify right side
    189,204.68x = 27,239,635,086.49
  5. Step 5: Solve for x
    x = 27,239,635,086.49/189,204.68
  6. Step 6: Final answer
    x = 143,969.14

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Half scale
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Double scale
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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.