Home / 165,632.96-228,573.34-90,181.44

Finding the Fourth Proportional to 165,632.96, 228,573.34 and 90,181.44

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Solution

The fourth proportional to 165,632.96, 228,573.34 and 90,181.44 is: 124,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,632.96 : 228,573.34 = 90,181.44 : x
  2. Step 2: Convert to fraction form
    165,632.96/228,573.34 = 90,181.44/x
  3. Step 3: Cross multiply
    165,632.96x = 228,573.34 × 90,181.44
  4. Step 4: Simplify right side
    165,632.96x = 20,613,072,946.81
  5. Step 5: Solve for x
    x = 20,613,072,946.81/165,632.96
  6. Step 6: Final answer
    x = 124,450.31

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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.