Home / 153,022.10-229,533.15-82,163.30

Finding the Fourth Proportional to 153,022.10, 229,533.15 and 82,163.30

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Solution

The fourth proportional to 153,022.10, 229,533.15 and 82,163.30 is: 123,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,022.10 : 229,533.15 = 82,163.30 : x
  2. Step 2: Convert to fraction form
    153,022.10/229,533.15 = 82,163.30/x
  3. Step 3: Cross multiply
    153,022.10x = 229,533.15 × 82,163.30
  4. Step 4: Simplify right side
    153,022.10x = 18,859,201,063.40
  5. Step 5: Solve for x
    x = 18,859,201,063.40/153,022.10
  6. Step 6: Final answer
    x = 123,244.95

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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.