Home / 190,853.20-263,352.63-105,953.86

Finding the Fourth Proportional to 190,853.20, 263,352.63 and 105,953.86

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Solution

The fourth proportional to 190,853.20, 263,352.63 and 105,953.86 is: 146,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,853.20 : 263,352.63 = 105,953.86 : x
  2. Step 2: Convert to fraction form
    190,853.20/263,352.63 = 105,953.86/x
  3. Step 3: Cross multiply
    190,853.20x = 263,352.63 × 105,953.86
  4. Step 4: Simplify right side
    190,853.20x = 27,903,227,689.65
  5. Step 5: Solve for x
    x = 27,903,227,689.65/190,853.20
  6. Step 6: Final answer
    x = 146,202.57

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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.