Home / 319,624.16-479,514.26-106,391.66

Finding the Fourth Proportional to 319,624.16, 479,514.26 and 106,391.66

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Solution

The fourth proportional to 319,624.16, 479,514.26 and 106,391.66 is: 159,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,624.16 : 479,514.26 = 106,391.66 : x
  2. Step 2: Convert to fraction form
    319,624.16/479,514.26 = 106,391.66/x
  3. Step 3: Cross multiply
    319,624.16x = 479,514.26 × 106,391.66
  4. Step 4: Simplify right side
    319,624.16x = 51,016,315,983.48
  5. Step 5: Solve for x
    x = 51,016,315,983.48/319,624.16
  6. Step 6: Final answer
    x = 159,613.46

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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.