Home / 231,866.10-348,317.55-222,419.70

Finding the Fourth Proportional to 231,866.10, 348,317.55 and 222,419.70

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Solution

The fourth proportional to 231,866.10, 348,317.55 and 222,419.70 is: 334,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,866.10 : 348,317.55 = 222,419.70 : x
  2. Step 2: Convert to fraction form
    231,866.10/348,317.55 = 222,419.70/x
  3. Step 3: Cross multiply
    231,866.10x = 348,317.55 × 222,419.70
  4. Step 4: Simplify right side
    231,866.10x = 77,472,684,975.74
  5. Step 5: Solve for x
    x = 77,472,684,975.74/231,866.10
  6. Step 6: Final answer
    x = 334,126.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.