Home / 185,431.26-255,884.43-108,938.46

Finding the Fourth Proportional to 185,431.26, 255,884.43 and 108,938.46

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Solution

The fourth proportional to 185,431.26, 255,884.43 and 108,938.46 is: 150,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,431.26 : 255,884.43 = 108,938.46 : x
  2. Step 2: Convert to fraction form
    185,431.26/255,884.43 = 108,938.46/x
  3. Step 3: Cross multiply
    185,431.26x = 255,884.43 × 108,938.46
  4. Step 4: Simplify right side
    185,431.26x = 27,875,655,742.18
  5. Step 5: Solve for x
    x = 27,875,655,742.18/185,431.26
  6. Step 6: Final answer
    x = 150,328.78

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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.