Home / 165,525.50-228,425.19-90,074.54

Finding the Fourth Proportional to 165,525.50, 228,425.19 and 90,074.54

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Solution

The fourth proportional to 165,525.50, 228,425.19 and 90,074.54 is: 124,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,525.50 : 228,425.19 = 90,074.54 : x
  2. Step 2: Convert to fraction form
    165,525.50/228,425.19 = 90,074.54/x
  3. Step 3: Cross multiply
    165,525.50x = 228,425.19 × 90,074.54
  4. Step 4: Simplify right side
    165,525.50x = 20,575,293,913.66
  5. Step 5: Solve for x
    x = 20,575,293,913.66/165,525.50
  6. Step 6: Final answer
    x = 124,302.87

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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.