Home / 202,324.37-279,207.64-111,680.35

Finding the Fourth Proportional to 202,324.37, 279,207.64 and 111,680.35

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Solution

The fourth proportional to 202,324.37, 279,207.64 and 111,680.35 is: 154,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,324.37 : 279,207.64 = 111,680.35 : x
  2. Step 2: Convert to fraction form
    202,324.37/279,207.64 = 111,680.35/x
  3. Step 3: Cross multiply
    202,324.37x = 279,207.64 × 111,680.35
  4. Step 4: Simplify right side
    202,324.37x = 31,182,006,957.87
  5. Step 5: Solve for x
    x = 31,182,006,957.87/202,324.37
  6. Step 6: Final answer
    x = 154,118.89

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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.