Home / 141,396.47-195,106.83-83,218.62

Finding the Fourth Proportional to 141,396.47, 195,106.83 and 83,218.62

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Solution

The fourth proportional to 141,396.47, 195,106.83 and 83,218.62 is: 114,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,396.47 : 195,106.83 = 83,218.62 : x
  2. Step 2: Convert to fraction form
    141,396.47/195,106.83 = 83,218.62/x
  3. Step 3: Cross multiply
    141,396.47x = 195,106.83 × 83,218.62
  4. Step 4: Simplify right side
    141,396.47x = 16,236,519,918.54
  5. Step 5: Solve for x
    x = 16,236,519,918.54/141,396.47
  6. Step 6: Final answer
    x = 114,829.74

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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.