Home / 170,845.70-256,272.60-52,518.07

Finding the Fourth Proportional to 170,845.70, 256,272.60 and 52,518.07

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Solution

The fourth proportional to 170,845.70, 256,272.60 and 52,518.07 is: 78,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,845.70 : 256,272.60 = 52,518.07 : x
  2. Step 2: Convert to fraction form
    170,845.70/256,272.60 = 52,518.07/x
  3. Step 3: Cross multiply
    170,845.70x = 256,272.60 × 52,518.07
  4. Step 4: Simplify right side
    170,845.70x = 13,458,941,064.52
  5. Step 5: Solve for x
    x = 13,458,941,064.52/170,845.70
  6. Step 6: Final answer
    x = 78,778.34

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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.