Home / 319,999.03-441,359.20-223,207.85

Finding the Fourth Proportional to 319,999.03, 441,359.20 and 223,207.85

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Solution

The fourth proportional to 319,999.03, 441,359.20 and 223,207.85 is: 307,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,999.03 : 441,359.20 = 223,207.85 : x
  2. Step 2: Convert to fraction form
    319,999.03/441,359.20 = 223,207.85/x
  3. Step 3: Cross multiply
    319,999.03x = 441,359.20 × 223,207.85
  4. Step 4: Simplify right side
    319,999.03x = 98,514,838,109.72
  5. Step 5: Solve for x
    x = 98,514,838,109.72/319,999.03
  6. Step 6: Final answer
    x = 307,859.80

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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.