Home / 276,191.56-414,287.37-86,681.17

Finding the Fourth Proportional to 276,191.56, 414,287.37 and 86,681.17

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Solution

The fourth proportional to 276,191.56, 414,287.37 and 86,681.17 is: 130,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,191.56 : 414,287.37 = 86,681.17 : x
  2. Step 2: Convert to fraction form
    276,191.56/414,287.37 = 86,681.17/x
  3. Step 3: Cross multiply
    276,191.56x = 414,287.37 × 86,681.17
  4. Step 4: Simplify right side
    276,191.56x = 35,910,912,912.10
  5. Step 5: Solve for x
    x = 35,910,912,912.10/276,191.56
  6. Step 6: Final answer
    x = 130,021.76

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1.5x scale

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.