Home / 202,576.34-279,554.28-111,938.56

Finding the Fourth Proportional to 202,576.34, 279,554.28 and 111,938.56

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Solution

The fourth proportional to 202,576.34, 279,554.28 and 111,938.56 is: 154,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,576.34 : 279,554.28 = 111,938.56 : x
  2. Step 2: Convert to fraction form
    202,576.34/279,554.28 = 111,938.56/x
  3. Step 3: Cross multiply
    202,576.34x = 279,554.28 × 111,938.56
  4. Step 4: Simplify right side
    202,576.34x = 31,292,903,545.04
  5. Step 5: Solve for x
    x = 31,292,903,545.04/202,576.34
  6. Step 6: Final answer
    x = 154,474.62

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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.