Home / 106,186.44-146,534.59-57,786.31

Finding the Fourth Proportional to 106,186.44, 146,534.59 and 57,786.31

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Solution

The fourth proportional to 106,186.44, 146,534.59 and 57,786.31 is: 79,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,186.44 : 146,534.59 = 57,786.31 : x
  2. Step 2: Convert to fraction form
    106,186.44/146,534.59 = 57,786.31/x
  3. Step 3: Cross multiply
    106,186.44x = 146,534.59 × 57,786.31
  4. Step 4: Simplify right side
    106,186.44x = 8,467,692,510.79
  5. Step 5: Solve for x
    x = 8,467,692,510.79/106,186.44
  6. Step 6: Final answer
    x = 79,743.64

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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.