Home / 127,708.80-191,563.20-48,825.60

Finding the Fourth Proportional to 127,708.80, 191,563.20 and 48,825.60

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Solution

The fourth proportional to 127,708.80, 191,563.20 and 48,825.60 is: 73,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.80 : 191,563.20 = 48,825.60 : x
  2. Step 2: Convert to fraction form
    127,708.80/191,563.20 = 48,825.60/x
  3. Step 3: Cross multiply
    127,708.80x = 191,563.20 × 48,825.60
  4. Step 4: Simplify right side
    127,708.80x = 9,353,188,177.92
  5. Step 5: Solve for x
    x = 9,353,188,177.92/127,708.80
  6. Step 6: Final answer
    x = 73,238.40

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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.