Home / 319,926.39-479,245.77-151,609.07

Finding the Fourth Proportional to 319,926.39, 479,245.77 and 151,609.07

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Solution

The fourth proportional to 319,926.39, 479,245.77 and 151,609.07 is: 227,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,926.39 : 479,245.77 = 151,609.07 : x
  2. Step 2: Convert to fraction form
    319,926.39/479,245.77 = 151,609.07/x
  3. Step 3: Cross multiply
    319,926.39x = 479,245.77 × 151,609.07
  4. Step 4: Simplify right side
    319,926.39x = 72,658,003,094.91
  5. Step 5: Solve for x
    x = 72,658,003,094.91/319,926.39
  6. Step 6: Final answer
    x = 227,108.50

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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.