Home / 143,267.03-197,696.93-82,841.58

Finding the Fourth Proportional to 143,267.03, 197,696.93 and 82,841.58

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Solution

The fourth proportional to 143,267.03, 197,696.93 and 82,841.58 is: 114,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267.03 : 197,696.93 = 82,841.58 : x
  2. Step 2: Convert to fraction form
    143,267.03/197,696.93 = 82,841.58/x
  3. Step 3: Cross multiply
    143,267.03x = 197,696.93 × 82,841.58
  4. Step 4: Simplify right side
    143,267.03x = 16,377,525,628.14
  5. Step 5: Solve for x
    x = 16,377,525,628.14/143,267.03
  6. Step 6: Final answer
    x = 114,314.69

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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.