Home / 219,756.76-329,651.57-93,382.81

Finding the Fourth Proportional to 219,756.76, 329,651.57 and 93,382.81

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Solution

The fourth proportional to 219,756.76, 329,651.57 and 93,382.81 is: 140,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,756.76 : 329,651.57 = 93,382.81 : x
  2. Step 2: Convert to fraction form
    219,756.76/329,651.57 = 93,382.81/x
  3. Step 3: Cross multiply
    219,756.76x = 329,651.57 × 93,382.81
  4. Step 4: Simplify right side
    219,756.76x = 30,783,789,927.51
  5. Step 5: Solve for x
    x = 30,783,789,927.51/219,756.76
  6. Step 6: Final answer
    x = 140,081.20

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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.