Home / 347,115.71-479,064.04-194,162.40

Finding the Fourth Proportional to 347,115.71, 479,064.04 and 194,162.40

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Solution

The fourth proportional to 347,115.71, 479,064.04 and 194,162.40 is: 267,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,115.71 : 479,064.04 = 194,162.40 : x
  2. Step 2: Convert to fraction form
    347,115.71/479,064.04 = 194,162.40/x
  3. Step 3: Cross multiply
    347,115.71x = 479,064.04 × 194,162.40
  4. Step 4: Simplify right side
    347,115.71x = 93,016,223,274.69
  5. Step 5: Solve for x
    x = 93,016,223,274.69/347,115.71
  6. Step 6: Final answer
    x = 267,968.92

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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.