Home / 215,291.46-322,959.21-82,283.67

Finding the Fourth Proportional to 215,291.46, 322,959.21 and 82,283.67

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Solution

The fourth proportional to 215,291.46, 322,959.21 and 82,283.67 is: 123,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291.46 : 322,959.21 = 82,283.67 : x
  2. Step 2: Convert to fraction form
    215,291.46/322,959.21 = 82,283.67/x
  3. Step 3: Cross multiply
    215,291.46x = 322,959.21 × 82,283.67
  4. Step 4: Simplify right side
    215,291.46x = 26,574,269,059.10
  5. Step 5: Solve for x
    x = 26,574,269,059.10/215,291.46
  6. Step 6: Final answer
    x = 123,433.92

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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.