Home / 347,132.16-479,063.04-196,243.20

Finding the Fourth Proportional to 347,132.16, 479,063.04 and 196,243.20

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Solution

The fourth proportional to 347,132.16, 479,063.04 and 196,243.20 is: 270,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,132.16 : 479,063.04 = 196,243.20 : x
  2. Step 2: Convert to fraction form
    347,132.16/479,063.04 = 196,243.20/x
  3. Step 3: Cross multiply
    347,132.16x = 479,063.04 × 196,243.20
  4. Step 4: Simplify right side
    347,132.16x = 94,012,863,971.33
  5. Step 5: Solve for x
    x = 94,012,863,971.33/347,132.16
  6. Step 6: Final answer
    x = 270,827.30

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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.