Home / 257,363.22-355,174.29-148,427.03

Finding the Fourth Proportional to 257,363.22, 355,174.29 and 148,427.03

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Solution

The fourth proportional to 257,363.22, 355,174.29 and 148,427.03 is: 204,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,363.22 : 355,174.29 = 148,427.03 : x
  2. Step 2: Convert to fraction form
    257,363.22/355,174.29 = 148,427.03/x
  3. Step 3: Cross multiply
    257,363.22x = 355,174.29 × 148,427.03
  4. Step 4: Simplify right side
    257,363.22x = 52,717,463,221.19
  5. Step 5: Solve for x
    x = 52,717,463,221.19/257,363.22
  6. Step 6: Final answer
    x = 204,836.82

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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.