Home / 190,453.26-262,819.80-104,409.30

Finding the Fourth Proportional to 190,453.26, 262,819.80 and 104,409.30

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Solution

The fourth proportional to 190,453.26, 262,819.80 and 104,409.30 is: 144,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,453.26 : 262,819.80 = 104,409.30 : x
  2. Step 2: Convert to fraction form
    190,453.26/262,819.80 = 104,409.30/x
  3. Step 3: Cross multiply
    190,453.26x = 262,819.80 × 104,409.30
  4. Step 4: Simplify right side
    190,453.26x = 27,440,830,948.11
  5. Step 5: Solve for x
    x = 27,440,830,948.11/190,453.26
  6. Step 6: Final answer
    x = 144,081.71

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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.