Home / 214,972.56-322,588.44-74,829.60

Finding the Fourth Proportional to 214,972.56, 322,588.44 and 74,829.60

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Solution

The fourth proportional to 214,972.56, 322,588.44 and 74,829.60 is: 112,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,972.56 : 322,588.44 = 74,829.60 : x
  2. Step 2: Convert to fraction form
    214,972.56/322,588.44 = 74,829.60/x
  3. Step 3: Cross multiply
    214,972.56x = 322,588.44 × 74,829.60
  4. Step 4: Simplify right side
    214,972.56x = 24,139,163,929.82
  5. Step 5: Solve for x
    x = 24,139,163,929.82/214,972.56
  6. Step 6: Final answer
    x = 112,289.51

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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.