Home / 184,440.80-276,661.20-128,453.60

Finding the Fourth Proportional to 184,440.80, 276,661.20 and 128,453.60

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Solution

The fourth proportional to 184,440.80, 276,661.20 and 128,453.60 is: 192,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,440.80 : 276,661.20 = 128,453.60 : x
  2. Step 2: Convert to fraction form
    184,440.80/276,661.20 = 128,453.60/x
  3. Step 3: Cross multiply
    184,440.80x = 276,661.20 × 128,453.60
  4. Step 4: Simplify right side
    184,440.80x = 35,538,127,120.32
  5. Step 5: Solve for x
    x = 35,538,127,120.32/184,440.80
  6. Step 6: Final answer
    x = 192,680.40

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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.