Home / 214,669.76-322,152.28-74,428.39

Finding the Fourth Proportional to 214,669.76, 322,152.28 and 74,428.39

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Solution

The fourth proportional to 214,669.76, 322,152.28 and 74,428.39 is: 111,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,669.76 : 322,152.28 = 74,428.39 : x
  2. Step 2: Convert to fraction form
    214,669.76/322,152.28 = 74,428.39/x
  3. Step 3: Cross multiply
    214,669.76x = 322,152.28 × 74,428.39
  4. Step 4: Simplify right side
    214,669.76x = 23,977,275,163.09
  5. Step 5: Solve for x
    x = 23,977,275,163.09/214,669.76
  6. Step 6: Final answer
    x = 111,693.77

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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.