Home / 109,944.40-164,916.60-102,571.60

Finding the Fourth Proportional to 109,944.40, 164,916.60 and 102,571.60

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Solution

The fourth proportional to 109,944.40, 164,916.60 and 102,571.60 is: 153,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,944.40 : 164,916.60 = 102,571.60 : x
  2. Step 2: Convert to fraction form
    109,944.40/164,916.60 = 102,571.60/x
  3. Step 3: Cross multiply
    109,944.40x = 164,916.60 × 102,571.60
  4. Step 4: Simplify right side
    109,944.40x = 16,915,759,528.56
  5. Step 5: Solve for x
    x = 16,915,759,528.56/109,944.40
  6. Step 6: Final answer
    x = 153,857.40

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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.