Home / 228,601.32-315,466.49-126,626.45

Finding the Fourth Proportional to 228,601.32, 315,466.49 and 126,626.45

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Solution

The fourth proportional to 228,601.32, 315,466.49 and 126,626.45 is: 174,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,601.32 : 315,466.49 = 126,626.45 : x
  2. Step 2: Convert to fraction form
    228,601.32/315,466.49 = 126,626.45/x
  3. Step 3: Cross multiply
    228,601.32x = 315,466.49 × 126,626.45
  4. Step 4: Simplify right side
    228,601.32x = 39,946,399,512.20
  5. Step 5: Solve for x
    x = 39,946,399,512.20/228,601.32
  6. Step 6: Final answer
    x = 174,742.65

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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.