Home / 141,933.26-195,858.94-81,461.34

Finding the Fourth Proportional to 141,933.26, 195,858.94 and 81,461.34

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Solution

The fourth proportional to 141,933.26, 195,858.94 and 81,461.34 is: 112,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,933.26 : 195,858.94 = 81,461.34 : x
  2. Step 2: Convert to fraction form
    141,933.26/195,858.94 = 81,461.34/x
  3. Step 3: Cross multiply
    141,933.26x = 195,858.94 × 81,461.34
  4. Step 4: Simplify right side
    141,933.26x = 15,954,931,703.38
  5. Step 5: Solve for x
    x = 15,954,931,703.38/141,933.26
  6. Step 6: Final answer
    x = 112,411.51

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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.