Home / 166,200.64-229,356.72-90,749.14

Finding the Fourth Proportional to 166,200.64, 229,356.72 and 90,749.14

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Solution

The fourth proportional to 166,200.64, 229,356.72 and 90,749.14 is: 125,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,200.64 : 229,356.72 = 90,749.14 : x
  2. Step 2: Convert to fraction form
    166,200.64/229,356.72 = 90,749.14/x
  3. Step 3: Cross multiply
    166,200.64x = 229,356.72 × 90,749.14
  4. Step 4: Simplify right side
    166,200.64x = 20,813,925,093.22
  5. Step 5: Solve for x
    x = 20,813,925,093.22/166,200.64
  6. Step 6: Final answer
    x = 125,233.72

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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.