Home / 170,860.03-256,144.23-120,782.59

Finding the Fourth Proportional to 170,860.03, 256,144.23 and 120,782.59

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Solution

The fourth proportional to 170,860.03, 256,144.23 and 120,782.59 is: 181,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,860.03 : 256,144.23 = 120,782.59 : x
  2. Step 2: Convert to fraction form
    170,860.03/256,144.23 = 120,782.59/x
  3. Step 3: Cross multiply
    170,860.03x = 256,144.23 × 120,782.59
  4. Step 4: Simplify right side
    170,860.03x = 30,937,763,512.96
  5. Step 5: Solve for x
    x = 30,937,763,512.96/170,860.03
  6. Step 6: Final answer
    x = 181,070.81

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1.5x scale

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.