Home / 186,734.41-257,715.27-106,174

Finding the Fourth Proportional to 186,734.41, 257,715.27 and 106,174

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Solution

The fourth proportional to 186,734.41, 257,715.27 and 106,174 is: 146,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,734.41 : 257,715.27 = 106,174 : x
  2. Step 2: Convert to fraction form
    186,734.41/257,715.27 = 106,174/x
  3. Step 3: Cross multiply
    186,734.41x = 257,715.27 × 106,174
  4. Step 4: Simplify right side
    186,734.41x = 27,362,661,076.98
  5. Step 5: Solve for x
    x = 27,362,661,076.98/186,734.41
  6. Step 6: Final answer
    x = 146,532.51

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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.