Home / 102,353.82-153,464.79-43,173.66

Finding the Fourth Proportional to 102,353.82, 153,464.79 and 43,173.66

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Solution

The fourth proportional to 102,353.82, 153,464.79 and 43,173.66 is: 64,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,353.82 : 153,464.79 = 43,173.66 : x
  2. Step 2: Convert to fraction form
    102,353.82/153,464.79 = 43,173.66/x
  3. Step 3: Cross multiply
    102,353.82x = 153,464.79 × 43,173.66
  4. Step 4: Simplify right side
    102,353.82x = 6,625,636,665.43
  5. Step 5: Solve for x
    x = 6,625,636,665.43/102,353.82
  6. Step 6: Final answer
    x = 64,732.68

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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.