Home / 124,216.20-186,324.30-30,721.95

Finding the Fourth Proportional to 124,216.20, 186,324.30 and 30,721.95

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Solution

The fourth proportional to 124,216.20, 186,324.30 and 30,721.95 is: 46,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216.20 : 186,324.30 = 30,721.95 : x
  2. Step 2: Convert to fraction form
    124,216.20/186,324.30 = 30,721.95/x
  3. Step 3: Cross multiply
    124,216.20x = 186,324.30 × 30,721.95
  4. Step 4: Simplify right side
    124,216.20x = 5,724,245,828.39
  5. Step 5: Solve for x
    x = 5,724,245,828.39/124,216.20
  6. Step 6: Final answer
    x = 46,082.93

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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.