Home / 263,065.20-394,597.80-96,831.60

Finding the Fourth Proportional to 263,065.20, 394,597.80 and 96,831.60

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Solution

The fourth proportional to 263,065.20, 394,597.80 and 96,831.60 is: 145,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,065.20 : 394,597.80 = 96,831.60 : x
  2. Step 2: Convert to fraction form
    263,065.20/394,597.80 = 96,831.60/x
  3. Step 3: Cross multiply
    263,065.20x = 394,597.80 × 96,831.60
  4. Step 4: Simplify right side
    263,065.20x = 38,209,536,330.48
  5. Step 5: Solve for x
    x = 38,209,536,330.48/263,065.20
  6. Step 6: Final answer
    x = 145,247.40

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1.5x scale

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.