Home / 272,859.15-376,556.97-152,000.43

Finding the Fourth Proportional to 272,859.15, 376,556.97 and 152,000.43

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Solution

The fourth proportional to 272,859.15, 376,556.97 and 152,000.43 is: 209,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,859.15 : 376,556.97 = 152,000.43 : x
  2. Step 2: Convert to fraction form
    272,859.15/376,556.97 = 152,000.43/x
  3. Step 3: Cross multiply
    272,859.15x = 376,556.97 × 152,000.43
  4. Step 4: Simplify right side
    272,859.15x = 57,236,821,359.50
  5. Step 5: Solve for x
    x = 57,236,821,359.50/272,859.15
  6. Step 6: Final answer
    x = 209,766.91

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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.