Home / 192,042.54-265,005-105,984.36

Finding the Fourth Proportional to 192,042.54, 265,005 and 105,984.36

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Solution

The fourth proportional to 192,042.54, 265,005 and 105,984.36 is: 146,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,042.54 : 265,005 = 105,984.36 : x
  2. Step 2: Convert to fraction form
    192,042.54/265,005 = 105,984.36/x
  3. Step 3: Cross multiply
    192,042.54x = 265,005 × 105,984.36
  4. Step 4: Simplify right side
    192,042.54x = 28,086,385,321.80
  5. Step 5: Solve for x
    x = 28,086,385,321.80/192,042.54
  6. Step 6: Final answer
    x = 146,250.85

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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.