Home / 234,890.20-352,347.14-66,422.64

Finding the Fourth Proportional to 234,890.20, 352,347.14 and 66,422.64

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Solution

The fourth proportional to 234,890.20, 352,347.14 and 66,422.64 is: 99,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,890.20 : 352,347.14 = 66,422.64 : x
  2. Step 2: Convert to fraction form
    234,890.20/352,347.14 = 66,422.64/x
  3. Step 3: Cross multiply
    234,890.20x = 352,347.14 × 66,422.64
  4. Step 4: Simplify right side
    234,890.20x = 23,403,827,235.25
  5. Step 5: Solve for x
    x = 23,403,827,235.25/234,890.20
  6. Step 6: Final answer
    x = 99,637.31

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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.