Home / 170,660.06-256,104.35-70,820.34

Finding the Fourth Proportional to 170,660.06, 256,104.35 and 70,820.34

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Solution

The fourth proportional to 170,660.06, 256,104.35 and 70,820.34 is: 106,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,660.06 : 256,104.35 = 70,820.34 : x
  2. Step 2: Convert to fraction form
    170,660.06/256,104.35 = 70,820.34/x
  3. Step 3: Cross multiply
    170,660.06x = 256,104.35 × 70,820.34
  4. Step 4: Simplify right side
    170,660.06x = 18,137,396,788.38
  5. Step 5: Solve for x
    x = 18,137,396,788.38/170,660.06
  6. Step 6: Final answer
    x = 106,277.93

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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.