Home / 214,901.75-322,334.06-72,743.98

Finding the Fourth Proportional to 214,901.75, 322,334.06 and 72,743.98

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Solution

The fourth proportional to 214,901.75, 322,334.06 and 72,743.98 is: 109,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,901.75 : 322,334.06 = 72,743.98 : x
  2. Step 2: Convert to fraction form
    214,901.75/322,334.06 = 72,743.98/x
  3. Step 3: Cross multiply
    214,901.75x = 322,334.06 × 72,743.98
  4. Step 4: Simplify right side
    214,901.75x = 23,447,861,244.40
  5. Step 5: Solve for x
    x = 23,447,861,244.40/214,901.75
  6. Step 6: Final answer
    x = 109,109.68

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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.