Home / 347,120.51-479,070.68-194,167.20

Finding the Fourth Proportional to 347,120.51, 479,070.68 and 194,167.20

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Solution

The fourth proportional to 347,120.51, 479,070.68 and 194,167.20 is: 267,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,120.51 : 479,070.68 = 194,167.20 : x
  2. Step 2: Convert to fraction form
    347,120.51/479,070.68 = 194,167.20/x
  3. Step 3: Cross multiply
    347,120.51x = 479,070.68 × 194,167.20
  4. Step 4: Simplify right side
    347,120.51x = 93,019,812,537.70
  5. Step 5: Solve for x
    x = 93,019,812,537.70/347,120.51
  6. Step 6: Final answer
    x = 267,975.56

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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.