Home / 276,785.12-382,025.64-181,236.32

Finding the Fourth Proportional to 276,785.12, 382,025.64 and 181,236.32

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Solution

The fourth proportional to 276,785.12, 382,025.64 and 181,236.32 is: 250,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,785.12 : 382,025.64 = 181,236.32 : x
  2. Step 2: Convert to fraction form
    276,785.12/382,025.64 = 181,236.32/x
  3. Step 3: Cross multiply
    276,785.12x = 382,025.64 × 181,236.32
  4. Step 4: Simplify right side
    276,785.12x = 69,236,921,139.24
  5. Step 5: Solve for x
    x = 69,236,921,139.24/276,785.12
  6. Step 6: Final answer
    x = 250,146.83

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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.