Home / 347,436.18-479,457.36-196,533.18

Finding the Fourth Proportional to 347,436.18, 479,457.36 and 196,533.18

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Solution

The fourth proportional to 347,436.18, 479,457.36 and 196,533.18 is: 271,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,436.18 : 479,457.36 = 196,533.18 : x
  2. Step 2: Convert to fraction form
    347,436.18/479,457.36 = 196,533.18/x
  3. Step 3: Cross multiply
    347,436.18x = 479,457.36 × 196,533.18
  4. Step 4: Simplify right side
    347,436.18x = 94,229,279,635.20
  5. Step 5: Solve for x
    x = 94,229,279,635.20/347,436.18
  6. Step 6: Final answer
    x = 271,213.20

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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.