Home / 190,871.04-263,397.96-105,986.64

Finding the Fourth Proportional to 190,871.04, 263,397.96 and 105,986.64

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Solution

The fourth proportional to 190,871.04, 263,397.96 and 105,986.64 is: 146,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,871.04 : 263,397.96 = 105,986.64 : x
  2. Step 2: Convert to fraction form
    190,871.04/263,397.96 = 105,986.64/x
  3. Step 3: Cross multiply
    190,871.04x = 263,397.96 × 105,986.64
  4. Step 4: Simplify right side
    190,871.04x = 27,916,664,763.25
  5. Step 5: Solve for x
    x = 27,916,664,763.25/190,871.04
  6. Step 6: Final answer
    x = 146,259.30

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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.