Home / 156,658.24-235,021.92-51,472.72

Finding the Fourth Proportional to 156,658.24, 235,021.92 and 51,472.72

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Solution

The fourth proportional to 156,658.24, 235,021.92 and 51,472.72 is: 77,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,658.24 : 235,021.92 = 51,472.72 : x
  2. Step 2: Convert to fraction form
    156,658.24/235,021.92 = 51,472.72/x
  3. Step 3: Cross multiply
    156,658.24x = 235,021.92 × 51,472.72
  4. Step 4: Simplify right side
    156,658.24x = 12,097,217,482.02
  5. Step 5: Solve for x
    x = 12,097,217,482.02/156,658.24
  6. Step 6: Final answer
    x = 77,220.44

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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.