Home / 166,244.16-229,416.64-90,792.64

Finding the Fourth Proportional to 166,244.16, 229,416.64 and 90,792.64

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Solution

The fourth proportional to 166,244.16, 229,416.64 and 90,792.64 is: 125,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,244.16 : 229,416.64 = 90,792.64 : x
  2. Step 2: Convert to fraction form
    166,244.16/229,416.64 = 90,792.64/x
  3. Step 3: Cross multiply
    166,244.16x = 229,416.64 × 90,792.64
  4. Step 4: Simplify right side
    166,244.16x = 20,829,342,405.53
  5. Step 5: Solve for x
    x = 20,829,342,405.53/166,244.16
  6. Step 6: Final answer
    x = 125,293.68

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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.