Home / 147,220.35-203,148.83-82,696.83

Finding the Fourth Proportional to 147,220.35, 203,148.83 and 82,696.83

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Solution

The fourth proportional to 147,220.35, 203,148.83 and 82,696.83 is: 114,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,220.35 : 203,148.83 = 82,696.83 : x
  2. Step 2: Convert to fraction form
    147,220.35/203,148.83 = 82,696.83/x
  3. Step 3: Cross multiply
    147,220.35x = 203,148.83 × 82,696.83
  4. Step 4: Simplify right side
    147,220.35x = 16,799,763,845.72
  5. Step 5: Solve for x
    x = 16,799,763,845.72/147,220.35
  6. Step 6: Final answer
    x = 114,113.05

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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.