Home / 189,727.28-261,823.56-104,843.60

Finding the Fourth Proportional to 189,727.28, 261,823.56 and 104,843.60

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Solution

The fourth proportional to 189,727.28, 261,823.56 and 104,843.60 is: 144,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,727.28 : 261,823.56 = 104,843.60 : x
  2. Step 2: Convert to fraction form
    189,727.28/261,823.56 = 104,843.60/x
  3. Step 3: Cross multiply
    189,727.28x = 261,823.56 × 104,843.60
  4. Step 4: Simplify right side
    189,727.28x = 27,450,524,595.22
  5. Step 5: Solve for x
    x = 27,450,524,595.22/189,727.28
  6. Step 6: Final answer
    x = 144,684.12

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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.