Home / 228,102.92-314,772.66-126,121.88

Finding the Fourth Proportional to 228,102.92, 314,772.66 and 126,121.88

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Solution

The fourth proportional to 228,102.92, 314,772.66 and 126,121.88 is: 174,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,102.92 : 314,772.66 = 126,121.88 : x
  2. Step 2: Convert to fraction form
    228,102.92/314,772.66 = 126,121.88/x
  3. Step 3: Cross multiply
    228,102.92x = 314,772.66 × 126,121.88
  4. Step 4: Simplify right side
    228,102.92x = 39,699,719,651.80
  5. Step 5: Solve for x
    x = 39,699,719,651.80/228,102.92
  6. Step 6: Final answer
    x = 174,043.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.