Home / 166,989.84-230,455.38-99,047.04

Finding the Fourth Proportional to 166,989.84, 230,455.38 and 99,047.04

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Solution

The fourth proportional to 166,989.84, 230,455.38 and 99,047.04 is: 136,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,989.84 : 230,455.38 = 99,047.04 : x
  2. Step 2: Convert to fraction form
    166,989.84/230,455.38 = 99,047.04/x
  3. Step 3: Cross multiply
    166,989.84x = 230,455.38 × 99,047.04
  4. Step 4: Simplify right side
    166,989.84x = 22,825,923,241.08
  5. Step 5: Solve for x
    x = 22,825,923,241.08/166,989.84
  6. Step 6: Final answer
    x = 136,690.49

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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.