Home / 228,324.64-315,083.28-126,350.04

Finding the Fourth Proportional to 228,324.64, 315,083.28 and 126,350.04

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Solution

The fourth proportional to 228,324.64, 315,083.28 and 126,350.04 is: 174,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,324.64 : 315,083.28 = 126,350.04 : x
  2. Step 2: Convert to fraction form
    228,324.64/315,083.28 = 126,350.04/x
  3. Step 3: Cross multiply
    228,324.64x = 315,083.28 × 126,350.04
  4. Step 4: Simplify right side
    228,324.64x = 39,810,785,031.33
  5. Step 5: Solve for x
    x = 39,810,785,031.33/228,324.64
  6. Step 6: Final answer
    x = 174,360.44

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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.