Home / 276,513.09-414,769.40-76,833.38

Finding the Fourth Proportional to 276,513.09, 414,769.40 and 76,833.38

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Solution

The fourth proportional to 276,513.09, 414,769.40 and 76,833.38 is: 115,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,513.09 : 414,769.40 = 76,833.38 : x
  2. Step 2: Convert to fraction form
    276,513.09/414,769.40 = 76,833.38/x
  3. Step 3: Cross multiply
    276,513.09x = 414,769.40 × 76,833.38
  4. Step 4: Simplify right side
    276,513.09x = 31,868,134,922.57
  5. Step 5: Solve for x
    x = 31,868,134,922.57/276,513.09
  6. Step 6: Final answer
    x = 115,250.00

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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.