Home / 282,186.48-422,725.86-163,608.60

Finding the Fourth Proportional to 282,186.48, 422,725.86 and 163,608.60

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Solution

The fourth proportional to 282,186.48, 422,725.86 and 163,608.60 is: 245,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,186.48 : 422,725.86 = 163,608.60 : x
  2. Step 2: Convert to fraction form
    282,186.48/422,725.86 = 163,608.60/x
  3. Step 3: Cross multiply
    282,186.48x = 422,725.86 × 163,608.60
  4. Step 4: Simplify right side
    282,186.48x = 69,161,586,138.40
  5. Step 5: Solve for x
    x = 69,161,586,138.40/282,186.48
  6. Step 6: Final answer
    x = 245,091.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.