Home / 347,404.20-479,426.40-194,441.10

Finding the Fourth Proportional to 347,404.20, 479,426.40 and 194,441.10

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Solution

The fourth proportional to 347,404.20, 479,426.40 and 194,441.10 is: 268,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,404.20 : 479,426.40 = 194,441.10 : x
  2. Step 2: Convert to fraction form
    347,404.20/479,426.40 = 194,441.10/x
  3. Step 3: Cross multiply
    347,404.20x = 479,426.40 × 194,441.10
  4. Step 4: Simplify right side
    347,404.20x = 93,220,196,585.04
  5. Step 5: Solve for x
    x = 93,220,196,585.04/347,404.20
  6. Step 6: Final answer
    x = 268,333.53

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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.