Home / 163,797.12-245,439.72-113,974.56

Finding the Fourth Proportional to 163,797.12, 245,439.72 and 113,974.56

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Solution

The fourth proportional to 163,797.12, 245,439.72 and 113,974.56 is: 170,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,797.12 : 245,439.72 = 113,974.56 : x
  2. Step 2: Convert to fraction form
    163,797.12/245,439.72 = 113,974.56/x
  3. Step 3: Cross multiply
    163,797.12x = 245,439.72 × 113,974.56
  4. Step 4: Simplify right side
    163,797.12x = 27,973,884,093.52
  5. Step 5: Solve for x
    x = 27,973,884,093.52/163,797.12
  6. Step 6: Final answer
    x = 170,783.74

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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.