Home / 106,514.09-146,939.90-63,469.42

Finding the Fourth Proportional to 106,514.09, 146,939.90 and 63,469.42

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Solution

The fourth proportional to 106,514.09, 146,939.90 and 63,469.42 is: 87,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.09 : 146,939.90 = 63,469.42 : x
  2. Step 2: Convert to fraction form
    106,514.09/146,939.90 = 63,469.42/x
  3. Step 3: Cross multiply
    106,514.09x = 146,939.90 × 63,469.42
  4. Step 4: Simplify right side
    106,514.09x = 9,326,190,227.86
  5. Step 5: Solve for x
    x = 9,326,190,227.86/106,514.09
  6. Step 6: Final answer
    x = 87,558.28

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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.