Home / 202,556.79-279,531.30-111,914.84

Finding the Fourth Proportional to 202,556.79, 279,531.30 and 111,914.84

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Solution

The fourth proportional to 202,556.79, 279,531.30 and 111,914.84 is: 154,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,556.79 : 279,531.30 = 111,914.84 : x
  2. Step 2: Convert to fraction form
    202,556.79/279,531.30 = 111,914.84/x
  3. Step 3: Cross multiply
    202,556.79x = 279,531.30 × 111,914.84
  4. Step 4: Simplify right side
    202,556.79x = 31,283,700,714.49
  5. Step 5: Solve for x
    x = 31,283,700,714.49/202,556.79
  6. Step 6: Final answer
    x = 154,444.10

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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.