Home / 190,778.15-263,273.64-105,895.01

Finding the Fourth Proportional to 190,778.15, 263,273.64 and 105,895.01

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Solution

The fourth proportional to 190,778.15, 263,273.64 and 105,895.01 is: 146,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,778.15 : 263,273.64 = 105,895.01 : x
  2. Step 2: Convert to fraction form
    190,778.15/263,273.64 = 105,895.01/x
  3. Step 3: Cross multiply
    190,778.15x = 263,273.64 × 105,895.01
  4. Step 4: Simplify right side
    190,778.15x = 27,879,364,740.54
  5. Step 5: Solve for x
    x = 27,879,364,740.54/190,778.15
  6. Step 6: Final answer
    x = 146,135.00

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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.