Home / 179,778.96-248,093.28-99,207.20

Finding the Fourth Proportional to 179,778.96, 248,093.28 and 99,207.20

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Solution

The fourth proportional to 179,778.96, 248,093.28 and 99,207.20 is: 136,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,778.96 : 248,093.28 = 99,207.20 : x
  2. Step 2: Convert to fraction form
    179,778.96/248,093.28 = 99,207.20/x
  3. Step 3: Cross multiply
    179,778.96x = 248,093.28 × 99,207.20
  4. Step 4: Simplify right side
    179,778.96x = 24,612,639,647.62
  5. Step 5: Solve for x
    x = 24,612,639,647.62/179,778.96
  6. Step 6: Final answer
    x = 136,905.01

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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.