Home / 156,974.36-235,469.70-51,801.53

Finding the Fourth Proportional to 156,974.36, 235,469.70 and 51,801.53

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Solution

The fourth proportional to 156,974.36, 235,469.70 and 51,801.53 is: 77,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.36 : 235,469.70 = 51,801.53 : x
  2. Step 2: Convert to fraction form
    156,974.36/235,469.70 = 51,801.53/x
  3. Step 3: Cross multiply
    156,974.36x = 235,469.70 × 51,801.53
  4. Step 4: Simplify right side
    156,974.36x = 12,197,689,551.29
  5. Step 5: Solve for x
    x = 12,197,689,551.29/156,974.36
  6. Step 6: Final answer
    x = 77,704.98

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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.