Home / 231,710.20-347,306.10-98,567.80

Finding the Fourth Proportional to 231,710.20, 347,306.10 and 98,567.80

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Solution

The fourth proportional to 231,710.20, 347,306.10 and 98,567.80 is: 147,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,710.20 : 347,306.10 = 98,567.80 : x
  2. Step 2: Convert to fraction form
    231,710.20/347,306.10 = 98,567.80/x
  3. Step 3: Cross multiply
    231,710.20x = 347,306.10 × 98,567.80
  4. Step 4: Simplify right side
    231,710.20x = 34,233,198,203.58
  5. Step 5: Solve for x
    x = 34,233,198,203.58/231,710.20
  6. Step 6: Final answer
    x = 147,741.44

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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.