Home / 347,505.38-479,554.18-196,602.38

Finding the Fourth Proportional to 347,505.38, 479,554.18 and 196,602.38

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Solution

The fourth proportional to 347,505.38, 479,554.18 and 196,602.38 is: 271,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,505.38 : 479,554.18 = 196,602.38 : x
  2. Step 2: Convert to fraction form
    347,505.38/479,554.18 = 196,602.38/x
  3. Step 3: Cross multiply
    347,505.38x = 479,554.18 × 196,602.38
  4. Step 4: Simplify right side
    347,505.38x = 94,281,490,237.67
  5. Step 5: Solve for x
    x = 94,281,490,237.67/347,505.38
  6. Step 6: Final answer
    x = 271,309.44

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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.