Home / 190,991.56-263,567.47-104,955.89

Finding the Fourth Proportional to 190,991.56, 263,567.47 and 104,955.89

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Solution

The fourth proportional to 190,991.56, 263,567.47 and 104,955.89 is: 144,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,991.56 : 263,567.47 = 104,955.89 : x
  2. Step 2: Convert to fraction form
    190,991.56/263,567.47 = 104,955.89/x
  3. Step 3: Cross multiply
    190,991.56x = 263,567.47 × 104,955.89
  4. Step 4: Simplify right side
    190,991.56x = 27,662,958,388.90
  5. Step 5: Solve for x
    x = 27,662,958,388.90/190,991.56
  6. Step 6: Final answer
    x = 144,838.64

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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.