Home / 161,011.20-241,322.40-82,084.80

Finding the Fourth Proportional to 161,011.20, 241,322.40 and 82,084.80

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Solution

The fourth proportional to 161,011.20, 241,322.40 and 82,084.80 is: 123,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,011.20 : 241,322.40 = 82,084.80 : x
  2. Step 2: Convert to fraction form
    161,011.20/241,322.40 = 82,084.80/x
  3. Step 3: Cross multiply
    161,011.20x = 241,322.40 × 82,084.80
  4. Step 4: Simplify right side
    161,011.20x = 19,808,900,939.52
  5. Step 5: Solve for x
    x = 19,808,900,939.52/161,011.20
  6. Step 6: Final answer
    x = 123,028.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.