Home / 214,632.90-321,845.67-125,915.22

Finding the Fourth Proportional to 214,632.90, 321,845.67 and 125,915.22

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Solution

The fourth proportional to 214,632.90, 321,845.67 and 125,915.22 is: 188,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,632.90 : 321,845.67 = 125,915.22 : x
  2. Step 2: Convert to fraction form
    214,632.90/321,845.67 = 125,915.22/x
  3. Step 3: Cross multiply
    214,632.90x = 321,845.67 × 125,915.22
  4. Step 4: Simplify right side
    214,632.90x = 40,525,268,344.10
  5. Step 5: Solve for x
    x = 40,525,268,344.10/214,632.90
  6. Step 6: Final answer
    x = 188,812.01

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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.