Home / 207,609.49-311,172.28-95,301.58

Finding the Fourth Proportional to 207,609.49, 311,172.28 and 95,301.58

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Solution

The fourth proportional to 207,609.49, 311,172.28 and 95,301.58 is: 142,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,609.49 : 311,172.28 = 95,301.58 : x
  2. Step 2: Convert to fraction form
    207,609.49/311,172.28 = 95,301.58/x
  3. Step 3: Cross multiply
    207,609.49x = 311,172.28 × 95,301.58
  4. Step 4: Simplify right side
    207,609.49x = 29,655,209,936.20
  5. Step 5: Solve for x
    x = 29,655,209,936.20/207,609.49
  6. Step 6: Final answer
    x = 142,841.30

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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.