Home / 124,151.76-186,226.64-82,219.47

Finding the Fourth Proportional to 124,151.76, 186,226.64 and 82,219.47

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Solution

The fourth proportional to 124,151.76, 186,226.64 and 82,219.47 is: 123,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,151.76 : 186,226.64 = 82,219.47 : x
  2. Step 2: Convert to fraction form
    124,151.76/186,226.64 = 82,219.47/x
  3. Step 3: Cross multiply
    124,151.76x = 186,226.64 × 82,219.47
  4. Step 4: Simplify right side
    124,151.76x = 15,311,455,229.58
  5. Step 5: Solve for x
    x = 15,311,455,229.58/124,151.76
  6. Step 6: Final answer
    x = 123,328.54

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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.