Home / 165,258.78-228,019.35-93,622.38

Finding the Fourth Proportional to 165,258.78, 228,019.35 and 93,622.38

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Solution

The fourth proportional to 165,258.78, 228,019.35 and 93,622.38 is: 129,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,258.78 : 228,019.35 = 93,622.38 : x
  2. Step 2: Convert to fraction form
    165,258.78/228,019.35 = 93,622.38/x
  3. Step 3: Cross multiply
    165,258.78x = 228,019.35 × 93,622.38
  4. Step 4: Simplify right side
    165,258.78x = 21,347,714,233.05
  5. Step 5: Solve for x
    x = 21,347,714,233.05/165,258.78
  6. Step 6: Final answer
    x = 129,177.49

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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.