Home / 190,764.72-263,207.88-105,860.52

Finding the Fourth Proportional to 190,764.72, 263,207.88 and 105,860.52

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Solution

The fourth proportional to 190,764.72, 263,207.88 and 105,860.52 is: 146,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,764.72 : 263,207.88 = 105,860.52 : x
  2. Step 2: Convert to fraction form
    190,764.72/263,207.88 = 105,860.52/x
  3. Step 3: Cross multiply
    190,764.72x = 263,207.88 × 105,860.52
  4. Step 4: Simplify right side
    190,764.72x = 27,863,323,044.90
  5. Step 5: Solve for x
    x = 27,863,323,044.90/190,764.72
  6. Step 6: Final answer
    x = 146,061.20

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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.