Home / 320,313.76-441,994.53-177,054.19

Finding the Fourth Proportional to 320,313.76, 441,994.53 and 177,054.19

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Solution

The fourth proportional to 320,313.76, 441,994.53 and 177,054.19 is: 244,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,313.76 : 441,994.53 = 177,054.19 : x
  2. Step 2: Convert to fraction form
    320,313.76/441,994.53 = 177,054.19/x
  3. Step 3: Cross multiply
    320,313.76x = 441,994.53 × 177,054.19
  4. Step 4: Simplify right side
    320,313.76x = 78,256,983,493.58
  5. Step 5: Solve for x
    x = 78,256,983,493.58/320,313.76
  6. Step 6: Final answer
    x = 244,313.52

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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.