Home / 212,493.34-293,241.18-115,696.72

Finding the Fourth Proportional to 212,493.34, 293,241.18 and 115,696.72

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Solution

The fourth proportional to 212,493.34, 293,241.18 and 115,696.72 is: 159,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,493.34 : 293,241.18 = 115,696.72 : x
  2. Step 2: Convert to fraction form
    212,493.34/293,241.18 = 115,696.72/x
  3. Step 3: Cross multiply
    212,493.34x = 293,241.18 × 115,696.72
  4. Step 4: Simplify right side
    212,493.34x = 33,927,042,694.93
  5. Step 5: Solve for x
    x = 33,927,042,694.93/212,493.34
  6. Step 6: Final answer
    x = 159,661.68

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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.