Home / 272,336.90-375,896.85-191,788.34

Finding the Fourth Proportional to 272,336.90, 375,896.85 and 191,788.34

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Solution

The fourth proportional to 272,336.90, 375,896.85 and 191,788.34 is: 264,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,336.90 : 375,896.85 = 191,788.34 : x
  2. Step 2: Convert to fraction form
    272,336.90/375,896.85 = 191,788.34/x
  3. Step 3: Cross multiply
    272,336.90x = 375,896.85 × 191,788.34
  4. Step 4: Simplify right side
    272,336.90x = 72,092,632,872.73
  5. Step 5: Solve for x
    x = 72,092,632,872.73/272,336.90
  6. Step 6: Final answer
    x = 264,718.56

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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.