Home / 190,358.51-262,694.54-105,475.57

Finding the Fourth Proportional to 190,358.51, 262,694.54 and 105,475.57

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Solution

The fourth proportional to 190,358.51, 262,694.54 and 105,475.57 is: 145,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,358.51 : 262,694.54 = 105,475.57 : x
  2. Step 2: Convert to fraction form
    190,358.51/262,694.54 = 105,475.57/x
  3. Step 3: Cross multiply
    190,358.51x = 262,694.54 × 105,475.57
  4. Step 4: Simplify right side
    190,358.51x = 27,707,855,949.34
  5. Step 5: Solve for x
    x = 27,707,855,949.34/190,358.51
  6. Step 6: Final answer
    x = 145,556.18

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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.