Home / 192,900.36-266,196.45-106,855.89

Finding the Fourth Proportional to 192,900.36, 266,196.45 and 106,855.89

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Solution

The fourth proportional to 192,900.36, 266,196.45 and 106,855.89 is: 147,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,900.36 : 266,196.45 = 106,855.89 : x
  2. Step 2: Convert to fraction form
    192,900.36/266,196.45 = 106,855.89/x
  3. Step 3: Cross multiply
    192,900.36x = 266,196.45 × 106,855.89
  4. Step 4: Simplify right side
    192,900.36x = 28,444,658,579.59
  5. Step 5: Solve for x
    x = 28,444,658,579.59/192,900.36
  6. Step 6: Final answer
    x = 147,457.78

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1.5x scale

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.