Home / 276,156.79-415,015.22-163,858.12

Finding the Fourth Proportional to 276,156.79, 415,015.22 and 163,858.12

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Solution

The fourth proportional to 276,156.79, 415,015.22 and 163,858.12 is: 246,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,156.79 : 415,015.22 = 163,858.12 : x
  2. Step 2: Convert to fraction form
    276,156.79/415,015.22 = 163,858.12/x
  3. Step 3: Cross multiply
    276,156.79x = 415,015.22 × 163,858.12
  4. Step 4: Simplify right side
    276,156.79x = 68,003,613,720.59
  5. Step 5: Solve for x
    x = 68,003,613,720.59/276,156.79
  6. Step 6: Final answer
    x = 246,250.02

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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.