Home / 190,652.78-263,132.34-105,797.18

Finding the Fourth Proportional to 190,652.78, 263,132.34 and 105,797.18

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Solution

The fourth proportional to 190,652.78, 263,132.34 and 105,797.18 is: 146,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,652.78 : 263,132.34 = 105,797.18 : x
  2. Step 2: Convert to fraction form
    190,652.78/263,132.34 = 105,797.18/x
  3. Step 3: Cross multiply
    190,652.78x = 263,132.34 × 105,797.18
  4. Step 4: Simplify right side
    190,652.78x = 27,838,659,538.80
  5. Step 5: Solve for x
    x = 27,838,659,538.80/190,652.78
  6. Step 6: Final answer
    x = 146,017.59

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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.