Home / 326,901.35-491,090.18-193,868.87

Finding the Fourth Proportional to 326,901.35, 491,090.18 and 193,868.87

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Solution

The fourth proportional to 326,901.35, 491,090.18 and 193,868.87 is: 291,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,901.35 : 491,090.18 = 193,868.87 : x
  2. Step 2: Convert to fraction form
    326,901.35/491,090.18 = 193,868.87/x
  3. Step 3: Cross multiply
    326,901.35x = 491,090.18 × 193,868.87
  4. Step 4: Simplify right side
    326,901.35x = 95,207,094,839.90
  5. Step 5: Solve for x
    x = 95,207,094,839.90/326,901.35
  6. Step 6: Final answer
    x = 291,241.06

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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.