Home / 165,604.77-228,540.11-93,020.45

Finding the Fourth Proportional to 165,604.77, 228,540.11 and 93,020.45

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Solution

The fourth proportional to 165,604.77, 228,540.11 and 93,020.45 is: 128,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,604.77 : 228,540.11 = 93,020.45 : x
  2. Step 2: Convert to fraction form
    165,604.77/228,540.11 = 93,020.45/x
  3. Step 3: Cross multiply
    165,604.77x = 228,540.11 × 93,020.45
  4. Step 4: Simplify right side
    165,604.77x = 21,258,902,267.45
  5. Step 5: Solve for x
    x = 21,258,902,267.45/165,604.77
  6. Step 6: Final answer
    x = 128,371.32

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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.