Home / 276,431.55-381,593.24-185,840.06

Finding the Fourth Proportional to 276,431.55, 381,593.24 and 185,840.06

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Solution

The fourth proportional to 276,431.55, 381,593.24 and 185,840.06 is: 256,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,431.55 : 381,593.24 = 185,840.06 : x
  2. Step 2: Convert to fraction form
    276,431.55/381,593.24 = 185,840.06/x
  3. Step 3: Cross multiply
    276,431.55x = 381,593.24 × 185,840.06
  4. Step 4: Simplify right side
    276,431.55x = 70,915,308,709.23
  5. Step 5: Solve for x
    x = 70,915,308,709.23/276,431.55
  6. Step 6: Final answer
    x = 256,538.40

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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.