Home / 190,717.93-263,203.19-105,835.20

Finding the Fourth Proportional to 190,717.93, 263,203.19 and 105,835.20

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Solution

The fourth proportional to 190,717.93, 263,203.19 and 105,835.20 is: 146,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.93 : 263,203.19 = 105,835.20 : x
  2. Step 2: Convert to fraction form
    190,717.93/263,203.19 = 105,835.20/x
  3. Step 3: Cross multiply
    190,717.93x = 263,203.19 × 105,835.20
  4. Step 4: Simplify right side
    190,717.93x = 27,856,162,254.29
  5. Step 5: Solve for x
    x = 27,856,162,254.29/190,717.93
  6. Step 6: Final answer
    x = 146,059.48

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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.