Home / 179,921.91-248,296.11-99,354.57

Finding the Fourth Proportional to 179,921.91, 248,296.11 and 99,354.57

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Solution

The fourth proportional to 179,921.91, 248,296.11 and 99,354.57 is: 137,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,921.91 : 248,296.11 = 99,354.57 : x
  2. Step 2: Convert to fraction form
    179,921.91/248,296.11 = 99,354.57/x
  3. Step 3: Cross multiply
    179,921.91x = 248,296.11 × 99,354.57
  4. Step 4: Simplify right side
    179,921.91x = 24,669,353,241.72
  5. Step 5: Solve for x
    x = 24,669,353,241.72/179,921.91
  6. Step 6: Final answer
    x = 137,111.45

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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.