Home / 186,230.49-257,052.23-121,709.44

Finding the Fourth Proportional to 186,230.49, 257,052.23 and 121,709.44

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Solution

The fourth proportional to 186,230.49, 257,052.23 and 121,709.44 is: 167,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,230.49 : 257,052.23 = 121,709.44 : x
  2. Step 2: Convert to fraction form
    186,230.49/257,052.23 = 121,709.44/x
  3. Step 3: Cross multiply
    186,230.49x = 257,052.23 × 121,709.44
  4. Step 4: Simplify right side
    186,230.49x = 31,285,682,371.93
  5. Step 5: Solve for x
    x = 31,285,682,371.93/186,230.49
  6. Step 6: Final answer
    x = 167,994.41

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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.