Home / 166,353.64-229,568.60-90,902.16

Finding the Fourth Proportional to 166,353.64, 229,568.60 and 90,902.16

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Solution

The fourth proportional to 166,353.64, 229,568.60 and 90,902.16 is: 125,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,353.64 : 229,568.60 = 90,902.16 : x
  2. Step 2: Convert to fraction form
    166,353.64/229,568.60 = 90,902.16/x
  3. Step 3: Cross multiply
    166,353.64x = 229,568.60 × 90,902.16
  4. Step 4: Simplify right side
    166,353.64x = 20,868,281,608.18
  5. Step 5: Solve for x
    x = 20,868,281,608.18/166,353.64
  6. Step 6: Final answer
    x = 125,445.30

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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.