Home / 214,331.04-321,496.56-74,013.12

Finding the Fourth Proportional to 214,331.04, 321,496.56 and 74,013.12

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Solution

The fourth proportional to 214,331.04, 321,496.56 and 74,013.12 is: 111,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,331.04 : 321,496.56 = 74,013.12 : x
  2. Step 2: Convert to fraction form
    214,331.04/321,496.56 = 74,013.12/x
  3. Step 3: Cross multiply
    214,331.04x = 321,496.56 × 74,013.12
  4. Step 4: Simplify right side
    214,331.04x = 23,794,963,474.87
  5. Step 5: Solve for x
    x = 23,794,963,474.87/214,331.04
  6. Step 6: Final answer
    x = 111,019.68

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1.5x scale

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.