Home / 349,923.86-482,910.28-196,971.92

Finding the Fourth Proportional to 349,923.86, 482,910.28 and 196,971.92

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Solution

The fourth proportional to 349,923.86, 482,910.28 and 196,971.92 is: 271,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,923.86 : 482,910.28 = 196,971.92 : x
  2. Step 2: Convert to fraction form
    349,923.86/482,910.28 = 196,971.92/x
  3. Step 3: Cross multiply
    349,923.86x = 482,910.28 × 196,971.92
  4. Step 4: Simplify right side
    349,923.86x = 95,119,765,039.34
  5. Step 5: Solve for x
    x = 95,119,765,039.34/349,923.86
  6. Step 6: Final answer
    x = 271,829.89

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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.