Home / 192,920.25-266,231.81-106,881.06

Finding the Fourth Proportional to 192,920.25, 266,231.81 and 106,881.06

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Solution

The fourth proportional to 192,920.25, 266,231.81 and 106,881.06 is: 147,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.25 : 266,231.81 = 106,881.06 : x
  2. Step 2: Convert to fraction form
    192,920.25/266,231.81 = 106,881.06/x
  3. Step 3: Cross multiply
    192,920.25x = 266,231.81 × 106,881.06
  4. Step 4: Simplify right side
    192,920.25x = 28,455,137,524.11
  5. Step 5: Solve for x
    x = 28,455,137,524.11/192,920.25
  6. Step 6: Final answer
    x = 147,496.89

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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.