Home / 319,726.58-479,544.50-109,333.94

Finding the Fourth Proportional to 319,726.58, 479,544.50 and 109,333.94

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Solution

The fourth proportional to 319,726.58, 479,544.50 and 109,333.94 is: 163,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,726.58 : 479,544.50 = 109,333.94 : x
  2. Step 2: Convert to fraction form
    319,726.58/479,544.50 = 109,333.94/x
  3. Step 3: Cross multiply
    319,726.58x = 479,544.50 × 109,333.94
  4. Step 4: Simplify right side
    319,726.58x = 52,430,489,590.33
  5. Step 5: Solve for x
    x = 52,430,489,590.33/319,726.58
  6. Step 6: Final answer
    x = 163,985.40

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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.