Home / 225,429.52-311,090.48-122,063.20

Finding the Fourth Proportional to 225,429.52, 311,090.48 and 122,063.20

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Solution

The fourth proportional to 225,429.52, 311,090.48 and 122,063.20 is: 168,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,429.52 : 311,090.48 = 122,063.20 : x
  2. Step 2: Convert to fraction form
    225,429.52/311,090.48 = 122,063.20/x
  3. Step 3: Cross multiply
    225,429.52x = 311,090.48 × 122,063.20
  4. Step 4: Simplify right side
    225,429.52x = 37,972,699,478.34
  5. Step 5: Solve for x
    x = 37,972,699,478.34/225,429.52
  6. Step 6: Final answer
    x = 168,445.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.