Home / 213,660.46-320,343.06-93,659.77

Finding the Fourth Proportional to 213,660.46, 320,343.06 and 93,659.77

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Solution

The fourth proportional to 213,660.46, 320,343.06 and 93,659.77 is: 140,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,660.46 : 320,343.06 = 93,659.77 : x
  2. Step 2: Convert to fraction form
    213,660.46/320,343.06 = 93,659.77/x
  3. Step 3: Cross multiply
    213,660.46x = 320,343.06 × 93,659.77
  4. Step 4: Simplify right side
    213,660.46x = 30,003,258,072.35
  5. Step 5: Solve for x
    x = 30,003,258,072.35/213,660.46
  6. Step 6: Final answer
    x = 140,424.94

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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.