Home / 331,944.51-497,916.31-132,405.02

Finding the Fourth Proportional to 331,944.51, 497,916.31 and 132,405.02

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Solution

The fourth proportional to 331,944.51, 497,916.31 and 132,405.02 is: 198,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,944.51 : 497,916.31 = 132,405.02 : x
  2. Step 2: Convert to fraction form
    331,944.51/497,916.31 = 132,405.02/x
  3. Step 3: Cross multiply
    331,944.51x = 497,916.31 × 132,405.02
  4. Step 4: Simplify right side
    331,944.51x = 65,926,616,163.28
  5. Step 5: Solve for x
    x = 65,926,616,163.28/331,944.51
  6. Step 6: Final answer
    x = 198,607.34

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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.