Home / 141,600.06-195,376.71-81,949.50

Finding the Fourth Proportional to 141,600.06, 195,376.71 and 81,949.50

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Solution

The fourth proportional to 141,600.06, 195,376.71 and 81,949.50 is: 113,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,600.06 : 195,376.71 = 81,949.50 : x
  2. Step 2: Convert to fraction form
    141,600.06/195,376.71 = 81,949.50/x
  3. Step 3: Cross multiply
    141,600.06x = 195,376.71 × 81,949.50
  4. Step 4: Simplify right side
    141,600.06x = 16,011,023,696.15
  5. Step 5: Solve for x
    x = 16,011,023,696.15/141,600.06
  6. Step 6: Final answer
    x = 113,072.15

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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.