Home / 190,951.42-263,517.13-104,911.51

Finding the Fourth Proportional to 190,951.42, 263,517.13 and 104,911.51

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Solution

The fourth proportional to 190,951.42, 263,517.13 and 104,911.51 is: 144,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,951.42 : 263,517.13 = 104,911.51 : x
  2. Step 2: Convert to fraction form
    190,951.42/263,517.13 = 104,911.51/x
  3. Step 3: Cross multiply
    190,951.42x = 263,517.13 × 104,911.51
  4. Step 4: Simplify right side
    190,951.42x = 27,645,980,019.17
  5. Step 5: Solve for x
    x = 27,645,980,019.17/190,951.42
  6. Step 6: Final answer
    x = 144,780.18

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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.