Home / 320,315.76-441,997.29-177,056.19

Finding the Fourth Proportional to 320,315.76, 441,997.29 and 177,056.19

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Solution

The fourth proportional to 320,315.76, 441,997.29 and 177,056.19 is: 244,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,315.76 : 441,997.29 = 177,056.19 : x
  2. Step 2: Convert to fraction form
    320,315.76/441,997.29 = 177,056.19/x
  3. Step 3: Cross multiply
    320,315.76x = 441,997.29 × 177,056.19
  4. Step 4: Simplify right side
    320,315.76x = 78,258,356,157.73
  5. Step 5: Solve for x
    x = 78,258,356,157.73/320,315.76
  6. Step 6: Final answer
    x = 244,316.28

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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.