Home / 122,758.13-184,136.39-31,573.40

Finding the Fourth Proportional to 122,758.13, 184,136.39 and 31,573.40

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Solution

The fourth proportional to 122,758.13, 184,136.39 and 31,573.40 is: 47,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,758.13 : 184,136.39 = 31,573.40 : x
  2. Step 2: Convert to fraction form
    122,758.13/184,136.39 = 31,573.40/x
  3. Step 3: Cross multiply
    122,758.13x = 184,136.39 × 31,573.40
  4. Step 4: Simplify right side
    122,758.13x = 5,813,810,935.88
  5. Step 5: Solve for x
    x = 5,813,810,935.88/122,758.13
  6. Step 6: Final answer
    x = 47,359.88

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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.