Home / 190,965.16-263,522.98-106,087.40

Finding the Fourth Proportional to 190,965.16, 263,522.98 and 106,087.40

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Solution

The fourth proportional to 190,965.16, 263,522.98 and 106,087.40 is: 146,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.16 : 263,522.98 = 106,087.40 : x
  2. Step 2: Convert to fraction form
    190,965.16/263,522.98 = 106,087.40/x
  3. Step 3: Cross multiply
    190,965.16x = 263,522.98 × 106,087.40
  4. Step 4: Simplify right side
    190,965.16x = 27,956,467,788.45
  5. Step 5: Solve for x
    x = 27,956,467,788.45/190,965.16
  6. Step 6: Final answer
    x = 146,395.65

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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.