Home / 190,700.16-263,175.20-105,817.92

Finding the Fourth Proportional to 190,700.16, 263,175.20 and 105,817.92

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Solution

The fourth proportional to 190,700.16, 263,175.20 and 105,817.92 is: 146,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,700.16 : 263,175.20 = 105,817.92 : x
  2. Step 2: Convert to fraction form
    190,700.16/263,175.20 = 105,817.92/x
  3. Step 3: Cross multiply
    190,700.16x = 263,175.20 × 105,817.92
  4. Step 4: Simplify right side
    190,700.16x = 27,848,652,259.58
  5. Step 5: Solve for x
    x = 27,848,652,259.58/190,700.16
  6. Step 6: Final answer
    x = 146,033.71

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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.