Home / 212,828.67-293,716.80-117,335.22

Finding the Fourth Proportional to 212,828.67, 293,716.80 and 117,335.22

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Solution

The fourth proportional to 212,828.67, 293,716.80 and 117,335.22 is: 161,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,828.67 : 293,716.80 = 117,335.22 : x
  2. Step 2: Convert to fraction form
    212,828.67/293,716.80 = 117,335.22/x
  3. Step 3: Cross multiply
    212,828.67x = 293,716.80 × 117,335.22
  4. Step 4: Simplify right side
    212,828.67x = 34,463,325,345.70
  5. Step 5: Solve for x
    x = 34,463,325,345.70/212,828.67
  6. Step 6: Final answer
    x = 161,929.90

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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.