Home / 190,860.04-263,382.78-105,975.64

Finding the Fourth Proportional to 190,860.04, 263,382.78 and 105,975.64

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Solution

The fourth proportional to 190,860.04, 263,382.78 and 105,975.64 is: 146,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,860.04 : 263,382.78 = 105,975.64 : x
  2. Step 2: Convert to fraction form
    190,860.04/263,382.78 = 105,975.64/x
  3. Step 3: Cross multiply
    190,860.04x = 263,382.78 × 105,975.64
  4. Step 4: Simplify right side
    190,860.04x = 27,912,158,675.48
  5. Step 5: Solve for x
    x = 27,912,158,675.48/190,860.04
  6. Step 6: Final answer
    x = 146,244.12

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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.