Home / 190,852.28-263,374.80-105,969.68

Finding the Fourth Proportional to 190,852.28, 263,374.80 and 105,969.68

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Solution

The fourth proportional to 190,852.28, 263,374.80 and 105,969.68 is: 146,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,852.28 : 263,374.80 = 105,969.68 : x
  2. Step 2: Convert to fraction form
    190,852.28/263,374.80 = 105,969.68/x
  3. Step 3: Cross multiply
    190,852.28x = 263,374.80 × 105,969.68
  4. Step 4: Simplify right side
    190,852.28x = 27,909,743,276.06
  5. Step 5: Solve for x
    x = 27,909,743,276.06/190,852.28
  6. Step 6: Final answer
    x = 146,237.41

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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.