Home / 455,112.74-682,743.17-170,825.63

Finding the Fourth Proportional to 455,112.74, 682,743.17 and 170,825.63

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Solution

The fourth proportional to 455,112.74, 682,743.17 and 170,825.63 is: 256,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,112.74 : 682,743.17 = 170,825.63 : x
  2. Step 2: Convert to fraction form
    455,112.74/682,743.17 = 170,825.63/x
  3. Step 3: Cross multiply
    455,112.74x = 682,743.17 × 170,825.63
  4. Step 4: Simplify right side
    455,112.74x = 116,630,029,156.80
  5. Step 5: Solve for x
    x = 116,630,029,156.80/455,112.74
  6. Step 6: Final answer
    x = 256,266.24

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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.