Home / 276,266.45-414,358.61-76,566.02

Finding the Fourth Proportional to 276,266.45, 414,358.61 and 76,566.02

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Solution

The fourth proportional to 276,266.45, 414,358.61 and 76,566.02 is: 114,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,266.45 : 414,358.61 = 76,566.02 : x
  2. Step 2: Convert to fraction form
    276,266.45/414,358.61 = 76,566.02/x
  3. Step 3: Cross multiply
    276,266.45x = 414,358.61 × 76,566.02
  4. Step 4: Simplify right side
    276,266.45x = 31,725,787,165.81
  5. Step 5: Solve for x
    x = 31,725,787,165.81/276,266.45
  6. Step 6: Final answer
    x = 114,837.64

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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.