Home / 347,039.64-478,911.33-194,076.09

Finding the Fourth Proportional to 347,039.64, 478,911.33 and 194,076.09

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Solution

The fourth proportional to 347,039.64, 478,911.33 and 194,076.09 is: 267,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,039.64 : 478,911.33 = 194,076.09 : x
  2. Step 2: Convert to fraction form
    347,039.64/478,911.33 = 194,076.09/x
  3. Step 3: Cross multiply
    347,039.64x = 478,911.33 × 194,076.09
  4. Step 4: Simplify right side
    347,039.64x = 92,945,238,383.10
  5. Step 5: Solve for x
    x = 92,945,238,383.10/347,039.64
  6. Step 6: Final answer
    x = 267,823.12

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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.