Home / 190,855.96-263,389.26-105,980.92

Finding the Fourth Proportional to 190,855.96, 263,389.26 and 105,980.92

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Solution

The fourth proportional to 190,855.96, 263,389.26 and 105,980.92 is: 146,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,855.96 : 263,389.26 = 105,980.92 : x
  2. Step 2: Convert to fraction form
    190,855.96/263,389.26 = 105,980.92/x
  3. Step 3: Cross multiply
    190,855.96x = 263,389.26 × 105,980.92
  4. Step 4: Simplify right side
    190,855.96x = 27,914,236,092.92
  5. Step 5: Solve for x
    x = 27,914,236,092.92/190,855.96
  6. Step 6: Final answer
    x = 146,258.13

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1.5x scale

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.