Home / 190,672.62-263,124.69-105,787.86

Finding the Fourth Proportional to 190,672.62, 263,124.69 and 105,787.86

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Solution

The fourth proportional to 190,672.62, 263,124.69 and 105,787.86 is: 145,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,672.62 : 263,124.69 = 105,787.86 : x
  2. Step 2: Convert to fraction form
    190,672.62/263,124.69 = 105,787.86/x
  3. Step 3: Cross multiply
    190,672.62x = 263,124.69 × 105,787.86
  4. Step 4: Simplify right side
    190,672.62x = 27,835,397,868.26
  5. Step 5: Solve for x
    x = 27,835,397,868.26/190,672.62
  6. Step 6: Final answer
    x = 145,985.29

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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.