Home / 141,936.97-195,866.42-81,465.05

Finding the Fourth Proportional to 141,936.97, 195,866.42 and 81,465.05

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Solution

The fourth proportional to 141,936.97, 195,866.42 and 81,465.05 is: 112,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,936.97 : 195,866.42 = 81,465.05 : x
  2. Step 2: Convert to fraction form
    141,936.97/195,866.42 = 81,465.05/x
  3. Step 3: Cross multiply
    141,936.97x = 195,866.42 × 81,465.05
  4. Step 4: Simplify right side
    141,936.97x = 15,956,267,208.96
  5. Step 5: Solve for x
    x = 15,956,267,208.96/141,936.97
  6. Step 6: Final answer
    x = 112,417.98

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1.5x scale

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.