Home / 190,562.57-262,974.55-104,519.78

Finding the Fourth Proportional to 190,562.57, 262,974.55 and 104,519.78

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Solution

The fourth proportional to 190,562.57, 262,974.55 and 104,519.78 is: 144,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,562.57 : 262,974.55 = 104,519.78 : x
  2. Step 2: Convert to fraction form
    190,562.57/262,974.55 = 104,519.78/x
  3. Step 3: Cross multiply
    190,562.57x = 262,974.55 × 104,519.78
  4. Step 4: Simplify right side
    190,562.57x = 27,486,043,196.79
  5. Step 5: Solve for x
    x = 27,486,043,196.79/190,562.57
  6. Step 6: Final answer
    x = 144,236.31

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1.5x scale

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.