Home / 170,667.39-255,856.49-70,765.23

Finding the Fourth Proportional to 170,667.39, 255,856.49 and 70,765.23

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Solution

The fourth proportional to 170,667.39, 255,856.49 and 70,765.23 is: 106,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,667.39 : 255,856.49 = 70,765.23 : x
  2. Step 2: Convert to fraction form
    170,667.39/255,856.49 = 70,765.23/x
  3. Step 3: Cross multiply
    170,667.39x = 255,856.49 × 70,765.23
  4. Step 4: Simplify right side
    170,667.39x = 18,105,743,361.84
  5. Step 5: Solve for x
    x = 18,105,743,361.84/170,667.39
  6. Step 6: Final answer
    x = 106,087.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.