Home / 190,693.79-263,157.42-105,824.51

Finding the Fourth Proportional to 190,693.79, 263,157.42 and 105,824.51

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Solution

The fourth proportional to 190,693.79, 263,157.42 and 105,824.51 is: 146,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,693.79 : 263,157.42 = 105,824.51 : x
  2. Step 2: Convert to fraction form
    190,693.79/263,157.42 = 105,824.51/x
  3. Step 3: Cross multiply
    190,693.79x = 263,157.42 × 105,824.51
  4. Step 4: Simplify right side
    190,693.79x = 27,848,503,708.58
  5. Step 5: Solve for x
    x = 27,848,503,708.58/190,693.79
  6. Step 6: Final answer
    x = 146,037.82

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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.