Home / 190,773.88-263,267.94-105,890.92

Finding the Fourth Proportional to 190,773.88, 263,267.94 and 105,890.92

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Solution

The fourth proportional to 190,773.88, 263,267.94 and 105,890.92 is: 146,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,773.88 : 263,267.94 = 105,890.92 : x
  2. Step 2: Convert to fraction form
    190,773.88/263,267.94 = 105,890.92/x
  3. Step 3: Cross multiply
    190,773.88x = 263,267.94 × 105,890.92
  4. Step 4: Simplify right side
    190,773.88x = 27,877,684,373.10
  5. Step 5: Solve for x
    x = 27,877,684,373.10/190,773.88
  6. Step 6: Final answer
    x = 146,129.46

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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.