Home / 166,125.48-229,251.60-90,674.04

Finding the Fourth Proportional to 166,125.48, 229,251.60 and 90,674.04

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Solution

The fourth proportional to 166,125.48, 229,251.60 and 90,674.04 is: 125,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,125.48 : 229,251.60 = 90,674.04 : x
  2. Step 2: Convert to fraction form
    166,125.48/229,251.60 = 90,674.04/x
  3. Step 3: Cross multiply
    166,125.48x = 229,251.60 × 90,674.04
  4. Step 4: Simplify right side
    166,125.48x = 20,787,168,748.46
  5. Step 5: Solve for x
    x = 20,787,168,748.46/166,125.48
  6. Step 6: Final answer
    x = 125,129.32

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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.