Home / 214,547.85-321,828.40-107,936.14

Finding the Fourth Proportional to 214,547.85, 321,828.40 and 107,936.14

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Solution

The fourth proportional to 214,547.85, 321,828.40 and 107,936.14 is: 161,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,547.85 : 321,828.40 = 107,936.14 : x
  2. Step 2: Convert to fraction form
    214,547.85/321,828.40 = 107,936.14/x
  3. Step 3: Cross multiply
    214,547.85x = 321,828.40 × 107,936.14
  4. Step 4: Simplify right side
    214,547.85x = 34,736,915,238.38
  5. Step 5: Solve for x
    x = 34,736,915,238.38/214,547.85
  6. Step 6: Final answer
    x = 161,907.54

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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.