Home / 231,822.19-347,692.18-105,432.83

Finding the Fourth Proportional to 231,822.19, 347,692.18 and 105,432.83

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Solution

The fourth proportional to 231,822.19, 347,692.18 and 105,432.83 is: 158,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,822.19 : 347,692.18 = 105,432.83 : x
  2. Step 2: Convert to fraction form
    231,822.19/347,692.18 = 105,432.83/x
  3. Step 3: Cross multiply
    231,822.19x = 347,692.18 × 105,432.83
  4. Step 4: Simplify right side
    231,822.19x = 36,658,170,506.27
  5. Step 5: Solve for x
    x = 36,658,170,506.27/231,822.19
  6. Step 6: Final answer
    x = 158,130.55

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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.