Home / 169,076.58-233,285.62-100,131.23

Finding the Fourth Proportional to 169,076.58, 233,285.62 and 100,131.23

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Solution

The fourth proportional to 169,076.58, 233,285.62 and 100,131.23 is: 138,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,076.58 : 233,285.62 = 100,131.23 : x
  2. Step 2: Convert to fraction form
    169,076.58/233,285.62 = 100,131.23/x
  3. Step 3: Cross multiply
    169,076.58x = 233,285.62 × 100,131.23
  4. Step 4: Simplify right side
    169,076.58x = 23,359,176,071.91
  5. Step 5: Solve for x
    x = 23,359,176,071.91/169,076.58
  6. Step 6: Final answer
    x = 138,157.37

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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.