Home / 276,288.71-414,431.68-238,734.52

Finding the Fourth Proportional to 276,288.71, 414,431.68 and 238,734.52

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Solution

The fourth proportional to 276,288.71, 414,431.68 and 238,734.52 is: 358,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,288.71 : 414,431.68 = 238,734.52 : x
  2. Step 2: Convert to fraction form
    276,288.71/414,431.68 = 238,734.52/x
  3. Step 3: Cross multiply
    276,288.71x = 414,431.68 × 238,734.52
  4. Step 4: Simplify right side
    276,288.71x = 98,939,144,931.76
  5. Step 5: Solve for x
    x = 98,939,144,931.76/276,288.71
  6. Step 6: Final answer
    x = 358,100.57

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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.