Home / 347,210.85-479,195.16-194,257.62

Finding the Fourth Proportional to 347,210.85, 479,195.16 and 194,257.62

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Solution

The fourth proportional to 347,210.85, 479,195.16 and 194,257.62 is: 268,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,210.85 : 479,195.16 = 194,257.62 : x
  2. Step 2: Convert to fraction form
    347,210.85/479,195.16 = 194,257.62/x
  3. Step 3: Cross multiply
    347,210.85x = 479,195.16 × 194,257.62
  4. Step 4: Simplify right side
    347,210.85x = 93,087,311,297.12
  5. Step 5: Solve for x
    x = 93,087,311,297.12/347,210.85
  6. Step 6: Final answer
    x = 268,100.24

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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.