Home / 190,402.78-262,754.21-104,366.54

Finding the Fourth Proportional to 190,402.78, 262,754.21 and 104,366.54

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Solution

The fourth proportional to 190,402.78, 262,754.21 and 104,366.54 is: 144,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,402.78 : 262,754.21 = 104,366.54 : x
  2. Step 2: Convert to fraction form
    190,402.78/262,754.21 = 104,366.54/x
  3. Step 3: Cross multiply
    190,402.78x = 262,754.21 × 104,366.54
  4. Step 4: Simplify right side
    190,402.78x = 27,422,749,020.04
  5. Step 5: Solve for x
    x = 27,422,749,020.04/190,402.78
  6. Step 6: Final answer
    x = 144,024.94

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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.