Home / 305,111.28-457,697.25-113,037.09

Finding the Fourth Proportional to 305,111.28, 457,697.25 and 113,037.09

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Solution

The fourth proportional to 305,111.28, 457,697.25 and 113,037.09 is: 169,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,111.28 : 457,697.25 = 113,037.09 : x
  2. Step 2: Convert to fraction form
    305,111.28/457,697.25 = 113,037.09/x
  3. Step 3: Cross multiply
    305,111.28x = 457,697.25 × 113,037.09
  4. Step 4: Simplify right side
    305,111.28x = 51,736,765,241.00
  5. Step 5: Solve for x
    x = 51,736,765,241.00/305,111.28
  6. Step 6: Final answer
    x = 169,566.87

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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.