Home / 171,848.20-258,003.15-100,843.60

Finding the Fourth Proportional to 171,848.20, 258,003.15 and 100,843.60

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Solution

The fourth proportional to 171,848.20, 258,003.15 and 100,843.60 is: 151,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,848.20 : 258,003.15 = 100,843.60 : x
  2. Step 2: Convert to fraction form
    171,848.20/258,003.15 = 100,843.60/x
  3. Step 3: Cross multiply
    171,848.20x = 258,003.15 × 100,843.60
  4. Step 4: Simplify right side
    171,848.20x = 26,017,966,457.34
  5. Step 5: Solve for x
    x = 26,017,966,457.34/171,848.20
  6. Step 6: Final answer
    x = 151,400.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.