Home / 212,872.90-293,766.65-117,382.98

Finding the Fourth Proportional to 212,872.90, 293,766.65 and 117,382.98

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Solution

The fourth proportional to 212,872.90, 293,766.65 and 117,382.98 is: 161,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,872.90 : 293,766.65 = 117,382.98 : x
  2. Step 2: Convert to fraction form
    212,872.90/293,766.65 = 117,382.98/x
  3. Step 3: Cross multiply
    212,872.90x = 293,766.65 × 117,382.98
  4. Step 4: Simplify right side
    212,872.90x = 34,483,204,801.62
  5. Step 5: Solve for x
    x = 34,483,204,801.62/212,872.90
  6. Step 6: Final answer
    x = 161,989.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.