Home / 173,189.12-238,982.74-100,577.84

Finding the Fourth Proportional to 173,189.12, 238,982.74 and 100,577.84

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Solution

The fourth proportional to 173,189.12, 238,982.74 and 100,577.84 is: 138,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,189.12 : 238,982.74 = 100,577.84 : x
  2. Step 2: Convert to fraction form
    173,189.12/238,982.74 = 100,577.84/x
  3. Step 3: Cross multiply
    173,189.12x = 238,982.74 × 100,577.84
  4. Step 4: Simplify right side
    173,189.12x = 24,036,367,786.48
  5. Step 5: Solve for x
    x = 24,036,367,786.48/173,189.12
  6. Step 6: Final answer
    x = 138,786.82

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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.