Home / 182,023.30-273,034.95-128,879.20

Finding the Fourth Proportional to 182,023.30, 273,034.95 and 128,879.20

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Solution

The fourth proportional to 182,023.30, 273,034.95 and 128,879.20 is: 193,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,023.30 : 273,034.95 = 128,879.20 : x
  2. Step 2: Convert to fraction form
    182,023.30/273,034.95 = 128,879.20/x
  3. Step 3: Cross multiply
    182,023.30x = 273,034.95 × 128,879.20
  4. Step 4: Simplify right side
    182,023.30x = 35,188,525,928.04
  5. Step 5: Solve for x
    x = 35,188,525,928.04/182,023.30
  6. Step 6: Final answer
    x = 193,318.80

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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.