Home / 276,074.37-414,116.73-86,530.55

Finding the Fourth Proportional to 276,074.37, 414,116.73 and 86,530.55

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Solution

The fourth proportional to 276,074.37, 414,116.73 and 86,530.55 is: 129,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,074.37 : 414,116.73 = 86,530.55 : x
  2. Step 2: Convert to fraction form
    276,074.37/414,116.73 = 86,530.55/x
  3. Step 3: Cross multiply
    276,074.37x = 414,116.73 × 86,530.55
  4. Step 4: Simplify right side
    276,074.37x = 35,833,746,340.52
  5. Step 5: Solve for x
    x = 35,833,746,340.52/276,074.37
  6. Step 6: Final answer
    x = 129,797.44

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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.