Home / 192,920.50-266,232.15-106,881.31

Finding the Fourth Proportional to 192,920.50, 266,232.15 and 106,881.31

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Solution

The fourth proportional to 192,920.50, 266,232.15 and 106,881.31 is: 147,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.50 : 266,232.15 = 106,881.31 : x
  2. Step 2: Convert to fraction form
    192,920.50/266,232.15 = 106,881.31/x
  3. Step 3: Cross multiply
    192,920.50x = 266,232.15 × 106,881.31
  4. Step 4: Simplify right side
    192,920.50x = 28,455,240,290.54
  5. Step 5: Solve for x
    x = 28,455,240,290.54/192,920.50
  6. Step 6: Final answer
    x = 147,497.24

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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.