Home / 134,861.60-202,292.40-92,871.20

Finding the Fourth Proportional to 134,861.60, 202,292.40 and 92,871.20

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Solution

The fourth proportional to 134,861.60, 202,292.40 and 92,871.20 is: 139,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,861.60 : 202,292.40 = 92,871.20 : x
  2. Step 2: Convert to fraction form
    134,861.60/202,292.40 = 92,871.20/x
  3. Step 3: Cross multiply
    134,861.60x = 202,292.40 × 92,871.20
  4. Step 4: Simplify right side
    134,861.60x = 18,787,137,938.88
  5. Step 5: Solve for x
    x = 18,787,137,938.88/134,861.60
  6. Step 6: Final answer
    x = 139,306.80

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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.