Home / 231,723.90-347,002.65-152,408.70

Finding the Fourth Proportional to 231,723.90, 347,002.65 and 152,408.70

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Solution

The fourth proportional to 231,723.90, 347,002.65 and 152,408.70 is: 228,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,723.90 : 347,002.65 = 152,408.70 : x
  2. Step 2: Convert to fraction form
    231,723.90/347,002.65 = 152,408.70/x
  3. Step 3: Cross multiply
    231,723.90x = 347,002.65 × 152,408.70
  4. Step 4: Simplify right side
    231,723.90x = 52,886,222,783.06
  5. Step 5: Solve for x
    x = 52,886,222,783.06/231,723.90
  6. Step 6: Final answer
    x = 228,229.47

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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.