Home / 156,989.38-235,492.20-51,816.54

Finding the Fourth Proportional to 156,989.38, 235,492.20 and 51,816.54

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Solution

The fourth proportional to 156,989.38, 235,492.20 and 51,816.54 is: 77,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.38 : 235,492.20 = 51,816.54 : x
  2. Step 2: Convert to fraction form
    156,989.38/235,492.20 = 51,816.54/x
  3. Step 3: Cross multiply
    156,989.38x = 235,492.20 × 51,816.54
  4. Step 4: Simplify right side
    156,989.38x = 12,202,391,000.99
  5. Step 5: Solve for x
    x = 12,202,391,000.99/156,989.38
  6. Step 6: Final answer
    x = 77,727.49

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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.