Home / 234,012.87-351,072.12-74,098.50

Finding the Fourth Proportional to 234,012.87, 351,072.12 and 74,098.50

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Solution

The fourth proportional to 234,012.87, 351,072.12 and 74,098.50 is: 111,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,012.87 : 351,072.12 = 74,098.50 : x
  2. Step 2: Convert to fraction form
    234,012.87/351,072.12 = 74,098.50/x
  3. Step 3: Cross multiply
    234,012.87x = 351,072.12 × 74,098.50
  4. Step 4: Simplify right side
    234,012.87x = 26,013,917,483.82
  5. Step 5: Solve for x
    x = 26,013,917,483.82/234,012.87
  6. Step 6: Final answer
    x = 111,164.47

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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.