Home / 141,702.39-195,546.35-77,172.33

Finding the Fourth Proportional to 141,702.39, 195,546.35 and 77,172.33

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Solution

The fourth proportional to 141,702.39, 195,546.35 and 77,172.33 is: 106,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,702.39 : 195,546.35 = 77,172.33 : x
  2. Step 2: Convert to fraction form
    141,702.39/195,546.35 = 77,172.33/x
  3. Step 3: Cross multiply
    141,702.39x = 195,546.35 × 77,172.33
  4. Step 4: Simplify right side
    141,702.39x = 15,090,767,645.43
  5. Step 5: Solve for x
    x = 15,090,767,645.43/141,702.39
  6. Step 6: Final answer
    x = 106,496.21

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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.