Home / 214,263.96-321,342.81-87,940.02

Finding the Fourth Proportional to 214,263.96, 321,342.81 and 87,940.02

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Solution

The fourth proportional to 214,263.96, 321,342.81 and 87,940.02 is: 131,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,263.96 : 321,342.81 = 87,940.02 : x
  2. Step 2: Convert to fraction form
    214,263.96/321,342.81 = 87,940.02/x
  3. Step 3: Cross multiply
    214,263.96x = 321,342.81 × 87,940.02
  4. Step 4: Simplify right side
    214,263.96x = 28,258,893,138.26
  5. Step 5: Solve for x
    x = 28,258,893,138.26/214,263.96
  6. Step 6: Final answer
    x = 131,888.22

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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.