Home / 347,022.10-478,887.21-194,058.54

Finding the Fourth Proportional to 347,022.10, 478,887.21 and 194,058.54

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Solution

The fourth proportional to 347,022.10, 478,887.21 and 194,058.54 is: 267,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,022.10 : 478,887.21 = 194,058.54 : x
  2. Step 2: Convert to fraction form
    347,022.10/478,887.21 = 194,058.54/x
  3. Step 3: Cross multiply
    347,022.10x = 478,887.21 × 194,058.54
  4. Step 4: Simplify right side
    347,022.10x = 92,932,152,797.27
  5. Step 5: Solve for x
    x = 92,932,152,797.27/347,022.10
  6. Step 6: Final answer
    x = 267,798.95

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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.