Home / 190,930.78-263,492.69-106,047.84

Finding the Fourth Proportional to 190,930.78, 263,492.69 and 106,047.84

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Solution

The fourth proportional to 190,930.78, 263,492.69 and 106,047.84 is: 146,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.78 : 263,492.69 = 106,047.84 : x
  2. Step 2: Convert to fraction form
    190,930.78/263,492.69 = 106,047.84/x
  3. Step 3: Cross multiply
    190,930.78x = 263,492.69 × 106,047.84
  4. Step 4: Simplify right side
    190,930.78x = 27,942,831,088.15
  5. Step 5: Solve for x
    x = 27,942,831,088.15/190,930.78
  6. Step 6: Final answer
    x = 146,350.58

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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.