Home / 165,451.44-228,321.96-90,000.24

Finding the Fourth Proportional to 165,451.44, 228,321.96 and 90,000.24

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Solution

The fourth proportional to 165,451.44, 228,321.96 and 90,000.24 is: 124,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,451.44 : 228,321.96 = 90,000.24 : x
  2. Step 2: Convert to fraction form
    165,451.44/228,321.96 = 90,000.24/x
  3. Step 3: Cross multiply
    165,451.44x = 228,321.96 × 90,000.24
  4. Step 4: Simplify right side
    165,451.44x = 20,549,031,197.27
  5. Step 5: Solve for x
    x = 20,549,031,197.27/165,451.44
  6. Step 6: Final answer
    x = 124,199.77

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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.