Home / 320,836.28-442,748.66-177,593.24

Finding the Fourth Proportional to 320,836.28, 442,748.66 and 177,593.24

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Solution

The fourth proportional to 320,836.28, 442,748.66 and 177,593.24 is: 245,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,836.28 : 442,748.66 = 177,593.24 : x
  2. Step 2: Convert to fraction form
    320,836.28/442,748.66 = 177,593.24/x
  3. Step 3: Cross multiply
    320,836.28x = 442,748.66 × 177,593.24
  4. Step 4: Simplify right side
    320,836.28x = 78,629,169,035.06
  5. Step 5: Solve for x
    x = 78,629,169,035.06/320,836.28
  6. Step 6: Final answer
    x = 245,075.68

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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.