Home / 141,531.70-195,314.08-77,873.60

Finding the Fourth Proportional to 141,531.70, 195,314.08 and 77,873.60

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Solution

The fourth proportional to 141,531.70, 195,314.08 and 77,873.60 is: 107,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,531.70 : 195,314.08 = 77,873.60 : x
  2. Step 2: Convert to fraction form
    141,531.70/195,314.08 = 77,873.60/x
  3. Step 3: Cross multiply
    141,531.70x = 195,314.08 × 77,873.60
  4. Step 4: Simplify right side
    141,531.70x = 15,209,810,540.29
  5. Step 5: Solve for x
    x = 15,209,810,540.29/141,531.70
  6. Step 6: Final answer
    x = 107,465.75

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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.