Home / 347,112.74-479,013.45-194,150.32

Finding the Fourth Proportional to 347,112.74, 479,013.45 and 194,150.32

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Solution

The fourth proportional to 347,112.74, 479,013.45 and 194,150.32 is: 267,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,112.74 : 479,013.45 = 194,150.32 : x
  2. Step 2: Convert to fraction form
    347,112.74/479,013.45 = 194,150.32/x
  3. Step 3: Cross multiply
    347,112.74x = 479,013.45 × 194,150.32
  4. Step 4: Simplify right side
    347,112.74x = 93,000,612,676.21
  5. Step 5: Solve for x
    x = 93,000,612,676.21/347,112.74
  6. Step 6: Final answer
    x = 267,926.24

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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.