Home / 141,696.01-195,540.51-78,033.25

Finding the Fourth Proportional to 141,696.01, 195,540.51 and 78,033.25

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Solution

The fourth proportional to 141,696.01, 195,540.51 and 78,033.25 is: 107,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,696.01 : 195,540.51 = 78,033.25 : x
  2. Step 2: Convert to fraction form
    141,696.01/195,540.51 = 78,033.25/x
  3. Step 3: Cross multiply
    141,696.01x = 195,540.51 × 78,033.25
  4. Step 4: Simplify right side
    141,696.01x = 15,258,661,501.96
  5. Step 5: Solve for x
    x = 15,258,661,501.96/141,696.01
  6. Step 6: Final answer
    x = 107,685.89

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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.