Home / 193,985.28-291,133.44-100,517.76

Finding the Fourth Proportional to 193,985.28, 291,133.44 and 100,517.76

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Solution

The fourth proportional to 193,985.28, 291,133.44 and 100,517.76 is: 150,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,985.28 : 291,133.44 = 100,517.76 : x
  2. Step 2: Convert to fraction form
    193,985.28/291,133.44 = 100,517.76/x
  3. Step 3: Cross multiply
    193,985.28x = 291,133.44 × 100,517.76
  4. Step 4: Simplify right side
    193,985.28x = 29,264,081,249.89
  5. Step 5: Solve for x
    x = 29,264,081,249.89/193,985.28
  6. Step 6: Final answer
    x = 150,857.23

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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.