Home / 165,596.08-228,519.48-90,142.96

Finding the Fourth Proportional to 165,596.08, 228,519.48 and 90,142.96

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Solution

The fourth proportional to 165,596.08, 228,519.48 and 90,142.96 is: 124,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,596.08 : 228,519.48 = 90,142.96 : x
  2. Step 2: Convert to fraction form
    165,596.08/228,519.48 = 90,142.96/x
  3. Step 3: Cross multiply
    165,596.08x = 228,519.48 × 90,142.96
  4. Step 4: Simplify right side
    165,596.08x = 20,599,422,344.86
  5. Step 5: Solve for x
    x = 20,599,422,344.86/165,596.08
  6. Step 6: Final answer
    x = 124,395.59

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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.