Home / 166,287.80-229,477.11-89,806.92

Finding the Fourth Proportional to 166,287.80, 229,477.11 and 89,806.92

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Solution

The fourth proportional to 166,287.80, 229,477.11 and 89,806.92 is: 123,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,287.80 : 229,477.11 = 89,806.92 : x
  2. Step 2: Convert to fraction form
    166,287.80/229,477.11 = 89,806.92/x
  3. Step 3: Cross multiply
    166,287.80x = 229,477.11 × 89,806.92
  4. Step 4: Simplify right side
    166,287.80x = 20,608,632,459.60
  5. Step 5: Solve for x
    x = 20,608,632,459.60/166,287.80
  6. Step 6: Final answer
    x = 123,933.52

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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.