Home / 331,651.26-497,321.37-121,141.98

Finding the Fourth Proportional to 331,651.26, 497,321.37 and 121,141.98

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Solution

The fourth proportional to 331,651.26, 497,321.37 and 121,141.98 is: 181,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,651.26 : 497,321.37 = 121,141.98 : x
  2. Step 2: Convert to fraction form
    331,651.26/497,321.37 = 121,141.98/x
  3. Step 3: Cross multiply
    331,651.26x = 497,321.37 × 121,141.98
  4. Step 4: Simplify right side
    331,651.26x = 60,246,495,458.11
  5. Step 5: Solve for x
    x = 60,246,495,458.11/331,651.26
  6. Step 6: Final answer
    x = 181,656.16

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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.