Home / 320,040.30-441,649.26-176,799

Finding the Fourth Proportional to 320,040.30, 441,649.26 and 176,799

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Solution

The fourth proportional to 320,040.30, 441,649.26 and 176,799 is: 243,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,040.30 : 441,649.26 = 176,799 : x
  2. Step 2: Convert to fraction form
    320,040.30/441,649.26 = 176,799/x
  3. Step 3: Cross multiply
    320,040.30x = 441,649.26 × 176,799
  4. Step 4: Simplify right side
    320,040.30x = 78,083,147,518.74
  5. Step 5: Solve for x
    x = 78,083,147,518.74/320,040.30
  6. Step 6: Final answer
    x = 243,979.11

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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.