Home / 125,196.24-172,936.44-93,309.78

Finding the Fourth Proportional to 125,196.24, 172,936.44 and 93,309.78

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Solution

The fourth proportional to 125,196.24, 172,936.44 and 93,309.78 is: 128,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,196.24 : 172,936.44 = 93,309.78 : x
  2. Step 2: Convert to fraction form
    125,196.24/172,936.44 = 93,309.78/x
  3. Step 3: Cross multiply
    125,196.24x = 172,936.44 × 93,309.78
  4. Step 4: Simplify right side
    125,196.24x = 16,136,661,170.38
  5. Step 5: Solve for x
    x = 16,136,661,170.38/125,196.24
  6. Step 6: Final answer
    x = 128,890.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.