Home / 213,821.82-295,072.40-118,333.76

Finding the Fourth Proportional to 213,821.82, 295,072.40 and 118,333.76

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Solution

The fourth proportional to 213,821.82, 295,072.40 and 118,333.76 is: 163,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,821.82 : 295,072.40 = 118,333.76 : x
  2. Step 2: Convert to fraction form
    213,821.82/295,072.40 = 118,333.76/x
  3. Step 3: Cross multiply
    213,821.82x = 295,072.40 × 118,333.76
  4. Step 4: Simplify right side
    213,821.82x = 34,917,026,564.22
  5. Step 5: Solve for x
    x = 34,917,026,564.22/213,821.82
  6. Step 6: Final answer
    x = 163,299.64

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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.