Home / 234,933.47-352,421.48-66,455.50

Finding the Fourth Proportional to 234,933.47, 352,421.48 and 66,455.50

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Solution

The fourth proportional to 234,933.47, 352,421.48 and 66,455.50 is: 99,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,933.47 : 352,421.48 = 66,455.50 : x
  2. Step 2: Convert to fraction form
    234,933.47/352,421.48 = 66,455.50/x
  3. Step 3: Cross multiply
    234,933.47x = 352,421.48 × 66,455.50
  4. Step 4: Simplify right side
    234,933.47x = 23,420,345,664.14
  5. Step 5: Solve for x
    x = 23,420,345,664.14/234,933.47
  6. Step 6: Final answer
    x = 99,689.27

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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.