Home / 190,916.60-263,448.78-115,460.60

Finding the Fourth Proportional to 190,916.60, 263,448.78 and 115,460.60

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Solution

The fourth proportional to 190,916.60, 263,448.78 and 115,460.60 is: 159,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,916.60 : 263,448.78 = 115,460.60 : x
  2. Step 2: Convert to fraction form
    190,916.60/263,448.78 = 115,460.60/x
  3. Step 3: Cross multiply
    190,916.60x = 263,448.78 × 115,460.60
  4. Step 4: Simplify right side
    190,916.60x = 30,417,954,208.07
  5. Step 5: Solve for x
    x = 30,417,954,208.07/190,916.60
  6. Step 6: Final answer
    x = 159,325.87

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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.