Home / 196,802.64-271,584.24-111,917.76

Finding the Fourth Proportional to 196,802.64, 271,584.24 and 111,917.76

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Solution

The fourth proportional to 196,802.64, 271,584.24 and 111,917.76 is: 154,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,802.64 : 271,584.24 = 111,917.76 : x
  2. Step 2: Convert to fraction form
    196,802.64/271,584.24 = 111,917.76/x
  3. Step 3: Cross multiply
    196,802.64x = 271,584.24 × 111,917.76
  4. Step 4: Simplify right side
    196,802.64x = 30,395,099,792.10
  5. Step 5: Solve for x
    x = 30,395,099,792.10/196,802.64
  6. Step 6: Final answer
    x = 154,444.57

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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.