Home / 190,717.52-263,182.20-105,829.52

Finding the Fourth Proportional to 190,717.52, 263,182.20 and 105,829.52

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Solution

The fourth proportional to 190,717.52, 263,182.20 and 105,829.52 is: 146,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.52 : 263,182.20 = 105,829.52 : x
  2. Step 2: Convert to fraction form
    190,717.52/263,182.20 = 105,829.52/x
  3. Step 3: Cross multiply
    190,717.52x = 263,182.20 × 105,829.52
  4. Step 4: Simplify right side
    190,717.52x = 27,852,445,898.54
  5. Step 5: Solve for x
    x = 27,852,445,898.54/190,717.52
  6. Step 6: Final answer
    x = 146,040.31

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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.