Home / 141,408.40-195,142.08-84,851.68

Finding the Fourth Proportional to 141,408.40, 195,142.08 and 84,851.68

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Solution

The fourth proportional to 141,408.40, 195,142.08 and 84,851.68 is: 117,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.40 : 195,142.08 = 84,851.68 : x
  2. Step 2: Convert to fraction form
    141,408.40/195,142.08 = 84,851.68/x
  3. Step 3: Cross multiply
    141,408.40x = 195,142.08 × 84,851.68
  4. Step 4: Simplify right side
    141,408.40x = 16,558,133,326.69
  5. Step 5: Solve for x
    x = 16,558,133,326.69/141,408.40
  6. Step 6: Final answer
    x = 117,094.41

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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.