Home / 231,701.80-347,115.30-118,998.40

Finding the Fourth Proportional to 231,701.80, 347,115.30 and 118,998.40

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Solution

The fourth proportional to 231,701.80, 347,115.30 and 118,998.40 is: 178,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,701.80 : 347,115.30 = 118,998.40 : x
  2. Step 2: Convert to fraction form
    231,701.80/347,115.30 = 118,998.40/x
  3. Step 3: Cross multiply
    231,701.80x = 347,115.30 × 118,998.40
  4. Step 4: Simplify right side
    231,701.80x = 41,306,165,315.52
  5. Step 5: Solve for x
    x = 41,306,165,315.52/231,701.80
  6. Step 6: Final answer
    x = 178,272.96

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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.