Home / 231,821.53-347,732.30-126,583.09

Finding the Fourth Proportional to 231,821.53, 347,732.30 and 126,583.09

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Solution

The fourth proportional to 231,821.53, 347,732.30 and 126,583.09 is: 189,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,821.53 : 347,732.30 = 126,583.09 : x
  2. Step 2: Convert to fraction form
    231,821.53/347,732.30 = 126,583.09/x
  3. Step 3: Cross multiply
    231,821.53x = 347,732.30 × 126,583.09
  4. Step 4: Simplify right side
    231,821.53x = 44,017,029,026.81
  5. Step 5: Solve for x
    x = 44,017,029,026.81/231,821.53
  6. Step 6: Final answer
    x = 189,874.64

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1.5x scale

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.