Home / 239,865.12-359,799.36-82,094.88

Finding the Fourth Proportional to 239,865.12, 359,799.36 and 82,094.88

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Solution

The fourth proportional to 239,865.12, 359,799.36 and 82,094.88 is: 123,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,865.12 : 359,799.36 = 82,094.88 : x
  2. Step 2: Convert to fraction form
    239,865.12/359,799.36 = 82,094.88/x
  3. Step 3: Cross multiply
    239,865.12x = 359,799.36 × 82,094.88
  4. Step 4: Simplify right side
    239,865.12x = 29,537,685,283.28
  5. Step 5: Solve for x
    x = 29,537,685,283.28/239,865.12
  6. Step 6: Final answer
    x = 123,142.89

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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.