Home / 219,981.12-303,582.24-124,491.84

Finding the Fourth Proportional to 219,981.12, 303,582.24 and 124,491.84

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Solution

The fourth proportional to 219,981.12, 303,582.24 and 124,491.84 is: 171,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,981.12 : 303,582.24 = 124,491.84 : x
  2. Step 2: Convert to fraction form
    219,981.12/303,582.24 = 124,491.84/x
  3. Step 3: Cross multiply
    219,981.12x = 303,582.24 × 124,491.84
  4. Step 4: Simplify right side
    219,981.12x = 37,793,511,648.92
  5. Step 5: Solve for x
    x = 37,793,511,648.92/219,981.12
  6. Step 6: Final answer
    x = 171,803.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.