Home / 354,013.08-531,123.38-104,701.56

Finding the Fourth Proportional to 354,013.08, 531,123.38 and 104,701.56

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Solution

The fourth proportional to 354,013.08, 531,123.38 and 104,701.56 is: 157,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,013.08 : 531,123.38 = 104,701.56 : x
  2. Step 2: Convert to fraction form
    354,013.08/531,123.38 = 104,701.56/x
  3. Step 3: Cross multiply
    354,013.08x = 531,123.38 × 104,701.56
  4. Step 4: Simplify right side
    354,013.08x = 55,609,446,438.47
  5. Step 5: Solve for x
    x = 55,609,446,438.47/354,013.08
  6. Step 6: Final answer
    x = 157,083.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.