Home / 170,407.20-255,601.47-52,078.48

Finding the Fourth Proportional to 170,407.20, 255,601.47 and 52,078.48

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Solution

The fourth proportional to 170,407.20, 255,601.47 and 52,078.48 is: 78,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,407.20 : 255,601.47 = 52,078.48 : x
  2. Step 2: Convert to fraction form
    170,407.20/255,601.47 = 52,078.48/x
  3. Step 3: Cross multiply
    170,407.20x = 255,601.47 × 52,078.48
  4. Step 4: Simplify right side
    170,407.20x = 13,311,336,043.37
  5. Step 5: Solve for x
    x = 13,311,336,043.37/170,407.20
  6. Step 6: Final answer
    x = 78,114.87

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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.