Home / 166,613.76-229,942.80-91,173.60

Finding the Fourth Proportional to 166,613.76, 229,942.80 and 91,173.60

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Solution

The fourth proportional to 166,613.76, 229,942.80 and 91,173.60 is: 125,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,613.76 : 229,942.80 = 91,173.60 : x
  2. Step 2: Convert to fraction form
    166,613.76/229,942.80 = 91,173.60/x
  3. Step 3: Cross multiply
    166,613.76x = 229,942.80 × 91,173.60
  4. Step 4: Simplify right side
    166,613.76x = 20,964,712,870.08
  5. Step 5: Solve for x
    x = 20,964,712,870.08/166,613.76
  6. Step 6: Final answer
    x = 125,828.22

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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.