Home / 141,956.96-195,900.22-81,531.51

Finding the Fourth Proportional to 141,956.96, 195,900.22 and 81,531.51

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Solution

The fourth proportional to 141,956.96, 195,900.22 and 81,531.51 is: 112,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,956.96 : 195,900.22 = 81,531.51 : x
  2. Step 2: Convert to fraction form
    141,956.96/195,900.22 = 81,531.51/x
  3. Step 3: Cross multiply
    141,956.96x = 195,900.22 × 81,531.51
  4. Step 4: Simplify right side
    141,956.96x = 15,972,041,215.16
  5. Step 5: Solve for x
    x = 15,972,041,215.16/141,956.96
  6. Step 6: Final answer
    x = 112,513.27

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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.