Home / 165,016.36-227,722.70-89,564.84

Finding the Fourth Proportional to 165,016.36, 227,722.70 and 89,564.84

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Solution

The fourth proportional to 165,016.36, 227,722.70 and 89,564.84 is: 123,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,016.36 : 227,722.70 = 89,564.84 : x
  2. Step 2: Convert to fraction form
    165,016.36/227,722.70 = 89,564.84/x
  3. Step 3: Cross multiply
    165,016.36x = 227,722.70 × 89,564.84
  4. Step 4: Simplify right side
    165,016.36x = 20,395,947,189.87
  5. Step 5: Solve for x
    x = 20,395,947,189.87/165,016.36
  6. Step 6: Final answer
    x = 123,599.55

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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.