Home / 166,621.24-229,937.70-91,174.60

Finding the Fourth Proportional to 166,621.24, 229,937.70 and 91,174.60

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Solution

The fourth proportional to 166,621.24, 229,937.70 and 91,174.60 is: 125,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,621.24 : 229,937.70 = 91,174.60 : x
  2. Step 2: Convert to fraction form
    166,621.24/229,937.70 = 91,174.60/x
  3. Step 3: Cross multiply
    166,621.24x = 229,937.70 × 91,174.60
  4. Step 4: Simplify right side
    166,621.24x = 20,964,477,822.42
  5. Step 5: Solve for x
    x = 20,964,477,822.42/166,621.24
  6. Step 6: Final answer
    x = 125,821.16

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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.