Home / 347,043.68-478,917.56-194,082.10

Finding the Fourth Proportional to 347,043.68, 478,917.56 and 194,082.10

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Solution

The fourth proportional to 347,043.68, 478,917.56 and 194,082.10 is: 267,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,043.68 : 478,917.56 = 194,082.10 : x
  2. Step 2: Convert to fraction form
    347,043.68/478,917.56 = 194,082.10/x
  3. Step 3: Cross multiply
    347,043.68x = 478,917.56 × 194,082.10
  4. Step 4: Simplify right side
    347,043.68x = 92,949,325,771.68
  5. Step 5: Solve for x
    x = 92,949,325,771.68/347,043.68
  6. Step 6: Final answer
    x = 267,831.78

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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.