Home / 190,878.81-263,413.23-105,995.87

Finding the Fourth Proportional to 190,878.81, 263,413.23 and 105,995.87

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Solution

The fourth proportional to 190,878.81, 263,413.23 and 105,995.87 is: 146,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,878.81 : 263,413.23 = 105,995.87 : x
  2. Step 2: Convert to fraction form
    190,878.81/263,413.23 = 105,995.87/x
  3. Step 3: Cross multiply
    190,878.81x = 263,413.23 × 105,995.87
  4. Step 4: Simplify right side
    190,878.81x = 27,920,714,483.36
  5. Step 5: Solve for x
    x = 27,920,714,483.36/190,878.81
  6. Step 6: Final answer
    x = 146,274.56

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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.