Home / 166,505.12-229,777.68-91,053.60

Finding the Fourth Proportional to 166,505.12, 229,777.68 and 91,053.60

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Solution

The fourth proportional to 166,505.12, 229,777.68 and 91,053.60 is: 125,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,505.12 : 229,777.68 = 91,053.60 : x
  2. Step 2: Convert to fraction form
    166,505.12/229,777.68 = 91,053.60/x
  3. Step 3: Cross multiply
    166,505.12x = 229,777.68 × 91,053.60
  4. Step 4: Simplify right side
    166,505.12x = 20,922,084,963.65
  5. Step 5: Solve for x
    x = 20,922,084,963.65/166,505.12
  6. Step 6: Final answer
    x = 125,654.30

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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.