Home / 165,725.48-228,702.02-90,273.96

Finding the Fourth Proportional to 165,725.48, 228,702.02 and 90,273.96

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Solution

The fourth proportional to 165,725.48, 228,702.02 and 90,273.96 is: 124,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725.48 : 228,702.02 = 90,273.96 : x
  2. Step 2: Convert to fraction form
    165,725.48/228,702.02 = 90,273.96/x
  3. Step 3: Cross multiply
    165,725.48x = 228,702.02 × 90,273.96
  4. Step 4: Simplify right side
    165,725.48x = 20,645,837,005.40
  5. Step 5: Solve for x
    x = 20,645,837,005.40/165,725.48
  6. Step 6: Final answer
    x = 124,578.53

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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.