Home / 190,946.52-286,500.78-102,177

Finding the Fourth Proportional to 190,946.52, 286,500.78 and 102,177

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Solution

The fourth proportional to 190,946.52, 286,500.78 and 102,177 is: 153,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,946.52 : 286,500.78 = 102,177 : x
  2. Step 2: Convert to fraction form
    190,946.52/286,500.78 = 102,177/x
  3. Step 3: Cross multiply
    190,946.52x = 286,500.78 × 102,177
  4. Step 4: Simplify right side
    190,946.52x = 29,273,790,198.06
  5. Step 5: Solve for x
    x = 29,273,790,198.06/190,946.52
  6. Step 6: Final answer
    x = 153,308.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.