Home / 272,789.91-376,450.20-151,954.38

Finding the Fourth Proportional to 272,789.91, 376,450.20 and 151,954.38

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Solution

The fourth proportional to 272,789.91, 376,450.20 and 151,954.38 is: 209,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,789.91 : 376,450.20 = 151,954.38 : x
  2. Step 2: Convert to fraction form
    272,789.91/376,450.20 = 151,954.38/x
  3. Step 3: Cross multiply
    272,789.91x = 376,450.20 × 151,954.38
  4. Step 4: Simplify right side
    272,789.91x = 57,203,256,741.88
  5. Step 5: Solve for x
    x = 57,203,256,741.88/272,789.91
  6. Step 6: Final answer
    x = 209,697.11

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1.5x scale

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.