Home / 132,861.87-199,184.27-61,828.92

Finding the Fourth Proportional to 132,861.87, 199,184.27 and 61,828.92

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Solution

The fourth proportional to 132,861.87, 199,184.27 and 61,828.92 is: 92,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,861.87 : 199,184.27 = 61,828.92 : x
  2. Step 2: Convert to fraction form
    132,861.87/199,184.27 = 61,828.92/x
  3. Step 3: Cross multiply
    132,861.87x = 199,184.27 × 61,828.92
  4. Step 4: Simplify right side
    132,861.87x = 12,315,347,985.94
  5. Step 5: Solve for x
    x = 12,315,347,985.94/132,861.87
  6. Step 6: Final answer
    x = 92,692.87

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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.