Home / 349,725.73-482,621.53-198,822.73

Finding the Fourth Proportional to 349,725.73, 482,621.53 and 198,822.73

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Solution

The fourth proportional to 349,725.73, 482,621.53 and 198,822.73 is: 274,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,725.73 : 482,621.53 = 198,822.73 : x
  2. Step 2: Convert to fraction form
    349,725.73/482,621.53 = 198,822.73/x
  3. Step 3: Cross multiply
    349,725.73x = 482,621.53 × 198,822.73
  4. Step 4: Simplify right side
    349,725.73x = 95,956,129,157.26
  5. Step 5: Solve for x
    x = 95,956,129,157.26/349,725.73
  6. Step 6: Final answer
    x = 274,375.38

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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.