Home / 165,570.21-228,480.55-93,945.96

Finding the Fourth Proportional to 165,570.21, 228,480.55 and 93,945.96

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Solution

The fourth proportional to 165,570.21, 228,480.55 and 93,945.96 is: 129,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,570.21 : 228,480.55 = 93,945.96 : x
  2. Step 2: Convert to fraction form
    165,570.21/228,480.55 = 93,945.96/x
  3. Step 3: Cross multiply
    165,570.21x = 228,480.55 × 93,945.96
  4. Step 4: Simplify right side
    165,570.21x = 21,464,824,376.21
  5. Step 5: Solve for x
    x = 21,464,824,376.21/165,570.21
  6. Step 6: Final answer
    x = 129,641.83

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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.