Home / 185,644.31-256,189.44-100,761.41

Finding the Fourth Proportional to 185,644.31, 256,189.44 and 100,761.41

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Solution

The fourth proportional to 185,644.31, 256,189.44 and 100,761.41 is: 139,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,644.31 : 256,189.44 = 100,761.41 : x
  2. Step 2: Convert to fraction form
    185,644.31/256,189.44 = 100,761.41/x
  3. Step 3: Cross multiply
    185,644.31x = 256,189.44 × 100,761.41
  4. Step 4: Simplify right side
    185,644.31x = 25,814,009,201.51
  5. Step 5: Solve for x
    x = 25,814,009,201.51/185,644.31
  6. Step 6: Final answer
    x = 139,050.90

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1.5x scale

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.