Home / 141,070.51-194,677.32-80,642.48

Finding the Fourth Proportional to 141,070.51, 194,677.32 and 80,642.48

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Solution

The fourth proportional to 141,070.51, 194,677.32 and 80,642.48 is: 111,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,070.51 : 194,677.32 = 80,642.48 : x
  2. Step 2: Convert to fraction form
    141,070.51/194,677.32 = 80,642.48/x
  3. Step 3: Cross multiply
    141,070.51x = 194,677.32 × 80,642.48
  4. Step 4: Simplify right side
    141,070.51x = 15,699,261,884.55
  5. Step 5: Solve for x
    x = 15,699,261,884.55/141,070.51
  6. Step 6: Final answer
    x = 111,286.63

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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.