Home / 170,608.07-255,704.57-120,702.55

Finding the Fourth Proportional to 170,608.07, 255,704.57 and 120,702.55

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Solution

The fourth proportional to 170,608.07, 255,704.57 and 120,702.55 is: 180,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,608.07 : 255,704.57 = 120,702.55 : x
  2. Step 2: Convert to fraction form
    170,608.07/255,704.57 = 120,702.55/x
  3. Step 3: Cross multiply
    170,608.07x = 255,704.57 × 120,702.55
  4. Step 4: Simplify right side
    170,608.07x = 30,864,193,983.16
  5. Step 5: Solve for x
    x = 30,864,193,983.16/170,608.07
  6. Step 6: Final answer
    x = 180,907.00

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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.