Home / 165,653.64-228,604.68-90,202.14

Finding the Fourth Proportional to 165,653.64, 228,604.68 and 90,202.14

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Solution

The fourth proportional to 165,653.64, 228,604.68 and 90,202.14 is: 124,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,653.64 : 228,604.68 = 90,202.14 : x
  2. Step 2: Convert to fraction form
    165,653.64/228,604.68 = 90,202.14/x
  3. Step 3: Cross multiply
    165,653.64x = 228,604.68 × 90,202.14
  4. Step 4: Simplify right side
    165,653.64x = 20,620,631,350.02
  5. Step 5: Solve for x
    x = 20,620,631,350.02/165,653.64
  6. Step 6: Final answer
    x = 124,480.40

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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.