Home / 228,844.74-315,824.40-126,902.16

Finding the Fourth Proportional to 228,844.74, 315,824.40 and 126,902.16

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Solution

The fourth proportional to 228,844.74, 315,824.40 and 126,902.16 is: 175,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,844.74 : 315,824.40 = 126,902.16 : x
  2. Step 2: Convert to fraction form
    228,844.74/315,824.40 = 126,902.16/x
  3. Step 3: Cross multiply
    228,844.74x = 315,824.40 × 126,902.16
  4. Step 4: Simplify right side
    228,844.74x = 40,078,798,540.70
  5. Step 5: Solve for x
    x = 40,078,798,540.70/228,844.74
  6. Step 6: Final answer
    x = 175,135.33

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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.