Home / 192,500.80-265,657.20-107,617.60

Finding the Fourth Proportional to 192,500.80, 265,657.20 and 107,617.60

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Solution

The fourth proportional to 192,500.80, 265,657.20 and 107,617.60 is: 148,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,500.80 : 265,657.20 = 107,617.60 : x
  2. Step 2: Convert to fraction form
    192,500.80/265,657.20 = 107,617.60/x
  3. Step 3: Cross multiply
    192,500.80x = 265,657.20 × 107,617.60
  4. Step 4: Simplify right side
    192,500.80x = 28,589,390,286.72
  5. Step 5: Solve for x
    x = 28,589,390,286.72/192,500.80
  6. Step 6: Final answer
    x = 148,515.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.