Home / 165,997.83-229,077-90,546.33

Finding the Fourth Proportional to 165,997.83, 229,077 and 90,546.33

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Solution

The fourth proportional to 165,997.83, 229,077 and 90,546.33 is: 124,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,997.83 : 229,077 = 90,546.33 : x
  2. Step 2: Convert to fraction form
    165,997.83/229,077 = 90,546.33/x
  3. Step 3: Cross multiply
    165,997.83x = 229,077 × 90,546.33
  4. Step 4: Simplify right side
    165,997.83x = 20,742,082,496.45
  5. Step 5: Solve for x
    x = 20,742,082,496.45/165,997.83
  6. Step 6: Final answer
    x = 124,953.93

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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.