Home / 347,461.26-521,197.38-137,097.36

Finding the Fourth Proportional to 347,461.26, 521,197.38 and 137,097.36

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Solution

The fourth proportional to 347,461.26, 521,197.38 and 137,097.36 is: 205,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,461.26 : 521,197.38 = 137,097.36 : x
  2. Step 2: Convert to fraction form
    347,461.26/521,197.38 = 137,097.36/x
  3. Step 3: Cross multiply
    347,461.26x = 521,197.38 × 137,097.36
  4. Step 4: Simplify right side
    347,461.26x = 71,454,784,836.92
  5. Step 5: Solve for x
    x = 71,454,784,836.92/347,461.26
  6. Step 6: Final answer
    x = 205,648.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.