Home / 231,818.60-347,727.90-113,565.80

Finding the Fourth Proportional to 231,818.60, 347,727.90 and 113,565.80

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Solution

The fourth proportional to 231,818.60, 347,727.90 and 113,565.80 is: 170,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,818.60 : 347,727.90 = 113,565.80 : x
  2. Step 2: Convert to fraction form
    231,818.60/347,727.90 = 113,565.80/x
  3. Step 3: Cross multiply
    231,818.60x = 347,727.90 × 113,565.80
  4. Step 4: Simplify right side
    231,818.60x = 39,489,997,145.82
  5. Step 5: Solve for x
    x = 39,489,997,145.82/231,818.60
  6. Step 6: Final answer
    x = 170,348.70

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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.