Home / 212,784.22-293,642.15-117,292.51

Finding the Fourth Proportional to 212,784.22, 293,642.15 and 117,292.51

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Solution

The fourth proportional to 212,784.22, 293,642.15 and 117,292.51 is: 161,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784.22 : 293,642.15 = 117,292.51 : x
  2. Step 2: Convert to fraction form
    212,784.22/293,642.15 = 117,292.51/x
  3. Step 3: Cross multiply
    212,784.22x = 293,642.15 × 117,292.51
  4. Step 4: Simplify right side
    212,784.22x = 34,442,022,760.62
  5. Step 5: Solve for x
    x = 34,442,022,760.62/212,784.22
  6. Step 6: Final answer
    x = 161,863.62

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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.