Home / 202,556.17-279,524.10-111,915.91

Finding the Fourth Proportional to 202,556.17, 279,524.10 and 111,915.91

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Solution

The fourth proportional to 202,556.17, 279,524.10 and 111,915.91 is: 154,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,556.17 : 279,524.10 = 111,915.91 : x
  2. Step 2: Convert to fraction form
    202,556.17/279,524.10 = 111,915.91/x
  3. Step 3: Cross multiply
    202,556.17x = 279,524.10 × 111,915.91
  4. Step 4: Simplify right side
    202,556.17x = 31,283,194,018.43
  5. Step 5: Solve for x
    x = 31,283,194,018.43/202,556.17
  6. Step 6: Final answer
    x = 154,442.07

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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.