Home / 141,933.07-195,858.68-81,461.15

Finding the Fourth Proportional to 141,933.07, 195,858.68 and 81,461.15

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Solution

The fourth proportional to 141,933.07, 195,858.68 and 81,461.15 is: 112,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,933.07 : 195,858.68 = 81,461.15 : x
  2. Step 2: Convert to fraction form
    141,933.07/195,858.68 = 81,461.15/x
  3. Step 3: Cross multiply
    141,933.07x = 195,858.68 × 81,461.15
  4. Step 4: Simplify right side
    141,933.07x = 15,954,871,923.68
  5. Step 5: Solve for x
    x = 15,954,871,923.68/141,933.07
  6. Step 6: Final answer
    x = 112,411.24

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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.