Home / 225,172.76-337,997.28-220,090.64

Finding the Fourth Proportional to 225,172.76, 337,997.28 and 220,090.64

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Solution

The fourth proportional to 225,172.76, 337,997.28 and 220,090.64 is: 330,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,172.76 : 337,997.28 = 220,090.64 : x
  2. Step 2: Convert to fraction form
    225,172.76/337,997.28 = 220,090.64/x
  3. Step 3: Cross multiply
    225,172.76x = 337,997.28 × 220,090.64
  4. Step 4: Simplify right side
    225,172.76x = 74,390,037,673.46
  5. Step 5: Solve for x
    x = 74,390,037,673.46/225,172.76
  6. Step 6: Final answer
    x = 330,368.73

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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.