Home / 269,820.36-372,352.20-148,961.76

Finding the Fourth Proportional to 269,820.36, 372,352.20 and 148,961.76

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Solution

The fourth proportional to 269,820.36, 372,352.20 and 148,961.76 is: 205,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,820.36 : 372,352.20 = 148,961.76 : x
  2. Step 2: Convert to fraction form
    269,820.36/372,352.20 = 148,961.76/x
  3. Step 3: Cross multiply
    269,820.36x = 372,352.20 × 148,961.76
  4. Step 4: Simplify right side
    269,820.36x = 55,466,239,051.87
  5. Step 5: Solve for x
    x = 55,466,239,051.87/269,820.36
  6. Step 6: Final answer
    x = 205,567.29

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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.