Home / 156,974.28-235,428.21-51,768.24

Finding the Fourth Proportional to 156,974.28, 235,428.21 and 51,768.24

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Solution

The fourth proportional to 156,974.28, 235,428.21 and 51,768.24 is: 77,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.28 : 235,428.21 = 51,768.24 : x
  2. Step 2: Convert to fraction form
    156,974.28/235,428.21 = 51,768.24/x
  3. Step 3: Cross multiply
    156,974.28x = 235,428.21 × 51,768.24
  4. Step 4: Simplify right side
    156,974.28x = 12,187,704,078.05
  5. Step 5: Solve for x
    x = 12,187,704,078.05/156,974.28
  6. Step 6: Final answer
    x = 77,641.41

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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.