Home / 319,939.92-441,514.38-176,696.88

Finding the Fourth Proportional to 319,939.92, 441,514.38 and 176,696.88

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Solution

The fourth proportional to 319,939.92, 441,514.38 and 176,696.88 is: 243,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,939.92 : 441,514.38 = 176,696.88 : x
  2. Step 2: Convert to fraction form
    319,939.92/441,514.38 = 176,696.88/x
  3. Step 3: Cross multiply
    319,939.92x = 441,514.38 × 176,696.88
  4. Step 4: Simplify right side
    319,939.92x = 78,014,213,421.13
  5. Step 5: Solve for x
    x = 78,014,213,421.13/319,939.92
  6. Step 6: Final answer
    x = 243,840.20

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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.