Home / 187,856.64-258,595.20-163,945.44

Finding the Fourth Proportional to 187,856.64, 258,595.20 and 163,945.44

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Solution

The fourth proportional to 187,856.64, 258,595.20 and 163,945.44 is: 225,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.64 : 258,595.20 = 163,945.44 : x
  2. Step 2: Convert to fraction form
    187,856.64/258,595.20 = 163,945.44/x
  3. Step 3: Cross multiply
    187,856.64x = 258,595.20 × 163,945.44
  4. Step 4: Simplify right side
    187,856.64x = 42,395,503,845.89
  5. Step 5: Solve for x
    x = 42,395,503,845.89/187,856.64
  6. Step 6: Final answer
    x = 225,680.09

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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.