Home / 141,161.51-194,717.31-83,763.02

Finding the Fourth Proportional to 141,161.51, 194,717.31 and 83,763.02

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Solution

The fourth proportional to 141,161.51, 194,717.31 and 83,763.02 is: 115,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.51 : 194,717.31 = 83,763.02 : x
  2. Step 2: Convert to fraction form
    141,161.51/194,717.31 = 83,763.02/x
  3. Step 3: Cross multiply
    141,161.51x = 194,717.31 × 83,763.02
  4. Step 4: Simplify right side
    141,161.51x = 16,310,109,931.88
  5. Step 5: Solve for x
    x = 16,310,109,931.88/141,161.51
  6. Step 6: Final answer
    x = 115,542.19

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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.