Home / 165,945.36-228,945.55-97,928.30

Finding the Fourth Proportional to 165,945.36, 228,945.55 and 97,928.30

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Solution

The fourth proportional to 165,945.36, 228,945.55 and 97,928.30 is: 135,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945.36 : 228,945.55 = 97,928.30 : x
  2. Step 2: Convert to fraction form
    165,945.36/228,945.55 = 97,928.30/x
  3. Step 3: Cross multiply
    165,945.36x = 228,945.55 × 97,928.30
  4. Step 4: Simplify right side
    165,945.36x = 22,420,248,504.07
  5. Step 5: Solve for x
    x = 22,420,248,504.07/165,945.36
  6. Step 6: Final answer
    x = 135,106.21

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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.