Home / 170,613.34-255,712.46-120,707.82

Finding the Fourth Proportional to 170,613.34, 255,712.46 and 120,707.82

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Solution

The fourth proportional to 170,613.34, 255,712.46 and 120,707.82 is: 180,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,613.34 : 255,712.46 = 120,707.82 : x
  2. Step 2: Convert to fraction form
    170,613.34/255,712.46 = 120,707.82/x
  3. Step 3: Cross multiply
    170,613.34x = 255,712.46 × 120,707.82
  4. Step 4: Simplify right side
    170,613.34x = 30,866,493,593.44
  5. Step 5: Solve for x
    x = 30,866,493,593.44/170,613.34
  6. Step 6: Final answer
    x = 180,914.89

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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.