Home / 319,682.16-479,370.24-151,061.76

Finding the Fourth Proportional to 319,682.16, 479,370.24 and 151,061.76

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Solution

The fourth proportional to 319,682.16, 479,370.24 and 151,061.76 is: 226,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,682.16 : 479,370.24 = 151,061.76 : x
  2. Step 2: Convert to fraction form
    319,682.16/479,370.24 = 151,061.76/x
  3. Step 3: Cross multiply
    319,682.16x = 479,370.24 × 151,061.76
  4. Step 4: Simplify right side
    319,682.16x = 72,414,512,146.02
  5. Step 5: Solve for x
    x = 72,414,512,146.02/319,682.16
  6. Step 6: Final answer
    x = 226,520.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.