Home / 331,656.76-497,436.54-163,131.85

Finding the Fourth Proportional to 331,656.76, 497,436.54 and 163,131.85

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Solution

The fourth proportional to 331,656.76, 497,436.54 and 163,131.85 is: 244,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,656.76 : 497,436.54 = 163,131.85 : x
  2. Step 2: Convert to fraction form
    331,656.76/497,436.54 = 163,131.85/x
  3. Step 3: Cross multiply
    331,656.76x = 497,436.54 × 163,131.85
  4. Step 4: Simplify right side
    331,656.76x = 81,147,742,619.97
  5. Step 5: Solve for x
    x = 81,147,742,619.97/331,656.76
  6. Step 6: Final answer
    x = 244,673.87

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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.