Home / 141,932.32-195,857.64-81,460.40

Finding the Fourth Proportional to 141,932.32, 195,857.64 and 81,460.40

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Solution

The fourth proportional to 141,932.32, 195,857.64 and 81,460.40 is: 112,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,932.32 : 195,857.64 = 81,460.40 : x
  2. Step 2: Convert to fraction form
    141,932.32/195,857.64 = 81,460.40/x
  3. Step 3: Cross multiply
    141,932.32x = 195,857.64 × 81,460.40
  4. Step 4: Simplify right side
    141,932.32x = 15,954,640,718.17
  5. Step 5: Solve for x
    x = 15,954,640,718.17/141,932.32
  6. Step 6: Final answer
    x = 112,410.20

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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.