Home / 165,625.83-228,569.18-90,177.03

Finding the Fourth Proportional to 165,625.83, 228,569.18 and 90,177.03

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Solution

The fourth proportional to 165,625.83, 228,569.18 and 90,177.03 is: 124,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,625.83 : 228,569.18 = 90,177.03 : x
  2. Step 2: Convert to fraction form
    165,625.83/228,569.18 = 90,177.03/x
  3. Step 3: Cross multiply
    165,625.83x = 228,569.18 × 90,177.03
  4. Step 4: Simplify right side
    165,625.83x = 20,611,689,351.05
  5. Step 5: Solve for x
    x = 20,611,689,351.05/165,625.83
  6. Step 6: Final answer
    x = 124,447.31

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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.