Home / 166,322.57-229,525.86-90,872.69

Finding the Fourth Proportional to 166,322.57, 229,525.86 and 90,872.69

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Solution

The fourth proportional to 166,322.57, 229,525.86 and 90,872.69 is: 125,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,322.57 : 229,525.86 = 90,872.69 : x
  2. Step 2: Convert to fraction form
    166,322.57/229,525.86 = 90,872.69/x
  3. Step 3: Cross multiply
    166,322.57x = 229,525.86 × 90,872.69
  4. Step 4: Simplify right side
    166,322.57x = 20,857,631,175.13
  5. Step 5: Solve for x
    x = 20,857,631,175.13/166,322.57
  6. Step 6: Final answer
    x = 125,404.70

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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.