Home / 320,933.54-442,841.24-177,693.21

Finding the Fourth Proportional to 320,933.54, 442,841.24 and 177,693.21

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Solution

The fourth proportional to 320,933.54, 442,841.24 and 177,693.21 is: 245,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,933.54 : 442,841.24 = 177,693.21 : x
  2. Step 2: Convert to fraction form
    320,933.54/442,841.24 = 177,693.21/x
  3. Step 3: Cross multiply
    320,933.54x = 442,841.24 × 177,693.21
  4. Step 4: Simplify right side
    320,933.54x = 78,689,881,900.21
  5. Step 5: Solve for x
    x = 78,689,881,900.21/320,933.54
  6. Step 6: Final answer
    x = 245,190.58

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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.