Home / 190,615.84-263,081.40-105,760.24

Finding the Fourth Proportional to 190,615.84, 263,081.40 and 105,760.24

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Solution

The fourth proportional to 190,615.84, 263,081.40 and 105,760.24 is: 145,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,615.84 : 263,081.40 = 105,760.24 : x
  2. Step 2: Convert to fraction form
    190,615.84/263,081.40 = 105,760.24/x
  3. Step 3: Cross multiply
    190,615.84x = 263,081.40 × 105,760.24
  4. Step 4: Simplify right side
    190,615.84x = 27,823,552,003.54
  5. Step 5: Solve for x
    x = 27,823,552,003.54/190,615.84
  6. Step 6: Final answer
    x = 145,966.63

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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.