Home / 166,507.50-229,775.67-91,054.38

Finding the Fourth Proportional to 166,507.50, 229,775.67 and 91,054.38

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Solution

The fourth proportional to 166,507.50, 229,775.67 and 91,054.38 is: 125,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,507.50 : 229,775.67 = 91,054.38 : x
  2. Step 2: Convert to fraction form
    166,507.50/229,775.67 = 91,054.38/x
  3. Step 3: Cross multiply
    166,507.50x = 229,775.67 × 91,054.38
  4. Step 4: Simplify right side
    166,507.50x = 20,922,081,170.93
  5. Step 5: Solve for x
    x = 20,922,081,170.93/166,507.50
  6. Step 6: Final answer
    x = 125,652.49

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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.