Home / 131,708.80-197,558.40-52,801.60

Finding the Fourth Proportional to 131,708.80, 197,558.40 and 52,801.60

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Solution

The fourth proportional to 131,708.80, 197,558.40 and 52,801.60 is: 79,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,708.80 : 197,558.40 = 52,801.60 : x
  2. Step 2: Convert to fraction form
    131,708.80/197,558.40 = 52,801.60/x
  3. Step 3: Cross multiply
    131,708.80x = 197,558.40 × 52,801.60
  4. Step 4: Simplify right side
    131,708.80x = 10,431,399,613.44
  5. Step 5: Solve for x
    x = 10,431,399,613.44/131,708.80
  6. Step 6: Final answer
    x = 79,200.48

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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.