Home / 141,201.51-194,984.67-105,329.25

Finding the Fourth Proportional to 141,201.51, 194,984.67 and 105,329.25

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Solution

The fourth proportional to 141,201.51, 194,984.67 and 105,329.25 is: 145,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,201.51 : 194,984.67 = 105,329.25 : x
  2. Step 2: Convert to fraction form
    141,201.51/194,984.67 = 105,329.25/x
  3. Step 3: Cross multiply
    141,201.51x = 194,984.67 × 105,329.25
  4. Step 4: Simplify right side
    141,201.51x = 20,537,589,052.60
  5. Step 5: Solve for x
    x = 20,537,589,052.60/141,201.51
  6. Step 6: Final answer
    x = 145,448.79

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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.