Home / 141,949.42-195,894.58-81,532.19

Finding the Fourth Proportional to 141,949.42, 195,894.58 and 81,532.19

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Solution

The fourth proportional to 141,949.42, 195,894.58 and 81,532.19 is: 112,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,949.42 : 195,894.58 = 81,532.19 : x
  2. Step 2: Convert to fraction form
    141,949.42/195,894.58 = 81,532.19/x
  3. Step 3: Cross multiply
    141,949.42x = 195,894.58 × 81,532.19
  4. Step 4: Simplify right side
    141,949.42x = 15,971,714,116.53
  5. Step 5: Solve for x
    x = 15,971,714,116.53/141,949.42
  6. Step 6: Final answer
    x = 112,516.94

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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.