Home / 124,148.75-186,222.14-82,216.47

Finding the Fourth Proportional to 124,148.75, 186,222.14 and 82,216.47

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Solution

The fourth proportional to 124,148.75, 186,222.14 and 82,216.47 is: 123,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,148.75 : 186,222.14 = 82,216.47 : x
  2. Step 2: Convert to fraction form
    124,148.75/186,222.14 = 82,216.47/x
  3. Step 3: Cross multiply
    124,148.75x = 186,222.14 × 82,216.47
  4. Step 4: Simplify right side
    124,148.75x = 15,310,526,534.71
  5. Step 5: Solve for x
    x = 15,310,526,534.71/124,148.75
  6. Step 6: Final answer
    x = 123,324.05

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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.