Home / 166,113.12-229,232.90-90,662.16

Finding the Fourth Proportional to 166,113.12, 229,232.90 and 90,662.16

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Solution

The fourth proportional to 166,113.12, 229,232.90 and 90,662.16 is: 125,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,113.12 : 229,232.90 = 90,662.16 : x
  2. Step 2: Convert to fraction form
    166,113.12/229,232.90 = 90,662.16/x
  3. Step 3: Cross multiply
    166,113.12x = 229,232.90 × 90,662.16
  4. Step 4: Simplify right side
    166,113.12x = 20,782,749,857.06
  5. Step 5: Solve for x
    x = 20,782,749,857.06/166,113.12
  6. Step 6: Final answer
    x = 125,112.03

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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.