Home / 179,159.46-268,797.54-85,672.50

Finding the Fourth Proportional to 179,159.46, 268,797.54 and 85,672.50

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Solution

The fourth proportional to 179,159.46, 268,797.54 and 85,672.50 is: 128,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,159.46 : 268,797.54 = 85,672.50 : x
  2. Step 2: Convert to fraction form
    179,159.46/268,797.54 = 85,672.50/x
  3. Step 3: Cross multiply
    179,159.46x = 268,797.54 × 85,672.50
  4. Step 4: Simplify right side
    179,159.46x = 23,028,557,245.65
  5. Step 5: Solve for x
    x = 23,028,557,245.65/179,159.46
  6. Step 6: Final answer
    x = 128,536.65

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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.